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US-3873996-A | Articulated head and neck protector apparatus | United States Patent Varteressian Apr. 1, 1975 1 1 ARTICULATED HEAD AND NECK PROTECTOR APPARATUS [76] Inventor: Levon Antoine Varteressian, 9018 Timberside Dr., Houston, Tex. 77025 [22] Filed: July 5, 1974 21 Appl. No.: 486,139
[52] US. Cl 2/3 R [51] Int. Cl A42b l/08 [58] Field of Search 2/2, 3 R
[56] References... |
US-3873997-A | Cervix guard for protective headgear | 1451 Apr. 1, 1975 FOREIGN PATENTS OR APPLICATIONS 1,931.011 1/1970 Germany................................. 2/3 R Primary Examiner-Werner H. Schroeder Attorney, Agent, or FirmOlsen and Stephenson 57 ABSTRACT An improved cervix or nape guard for protective headgear of the hockey type and also for industrial helmets, whe... |
US-3873998-A | Body armor system | United States Patent [1 1 Norris et a1.
[ Apr. 1,1975
1 1 BODY ARMOR SYSTEM [75] Inventors: Lonnie H. Norris, Milford; Philip E.
Durand, Hudson, both of Mass.
[73] Assignee: The United States of America as represented by the Secretary of the Army, Washington, DC.
22 Filed: Mar. 26, 1974 211 Appl. No.: 4... |
US-3873999-A | Undershirts and similar sleeveless garments | United States Patent [1 1 1 ,873,999
Artzt Apr. 1, 1975 UNDERSHIRTS AND SIMILAR SLEEVELESS [57] ABSTRACT GARMENTS William Walter Artzt, 333 Sunset Ave., Palm Beach, Fla. 33480 Filed: Oct. 25, 1973 Appl. No.: 409,741
Inventor:
US. Cl. 2/113 Int. Cl .l A41b 9/06 Field of Search.... 2/113, 111, 243, 92, DIG. 4; ... |
US-3874000-A | Hot water mitt | United States Patent 1 91 1 11 3,874,000
Altman Apr. 1, 1975 [54] HOT WATER MITT FOREIGN PATENTS OR APPLICATIONS 1 lnvemorl Max Altman, 362 Knowlton Ave, 942,208 4/1956 Germany 2/164 ore, NY. 217 427,865 5/1935 United Kingdom 2/158 22 Filed: Jan. 21, 1974 Primary ExammerGeorge V. Larkm PP 435,256 Attorney, Agent, or... |
US-3874001-A | Therapeutic stocking | I Un1ted States Patent 1 1 1111 3,874,001
Patience et a1. Apr. 1, 1975 [5 THERAPEUTIC STOCKING 1.644.185 10/1927 Fischer 2/240 9 9 I 1 1 9 1751 Donald Patience, Barringwn; Roger 11335223 5/1332 111121;??? "621145 3 Swallow, Crystal Lake; Edward 2.903.872 9/1959 Ledwell 112/269 G. Hartigan, Schaumburg ll of 11.; ... |
US-3874002-A | Pulsatile magneto-motive artificial heart | United States Patent [191 Kurpanek [451 Apr. 1, 1975 1 PULSATILE MAGNETO-MOTIVE ARTIFICIAL HEART [76] Inventor: Waldemar Helmut Kurpanek,
Ontario, Canada [22] Filed: Sept. 7, 1972 [21] Appl. No.: 287,062
[52] US. Cl 3/1, 3/DIG. 2, 128/1 D, 417/50, 417/412, 310/28, 251/65, 137/527 [51] Int. Cl. A6lf 1/24 [58] Fiel... |
US-3874003-A | Artificial hip joint | United States Patent 1191 Moser et al. Apr. 1, 1975 1 ARTIFICIAL HIP JOINT 3,102,536 9/1963 Rose et a1. 128/92 CA 3.320.951 5/1967 Wittebol 128/92 CA [751 lnvemorsl Hem Selzach; P" Karl, 3,584,318 6/1971 Scales et a1. 128/92 c Holderbank, both Of swltzerland 3,656,184 4/1972 Chambers 128/92 c 3,685,058 8/1972 T ron... |
US-3874004-A | Symes ankle joint | United States Patent May Apr. 1, 1975 i 1 SYMES ANKLE JOINT 975.439 11/1910 Lawrence .1 3/32 l.l02,774 7/l9l4 M t' h k 3 34 [751 Memo" 5:"? kdonald 1.323,444 12/1919 t 333 g an [73] Assignee: J. E. Hanger & Company Limited, FOREIGN PATENTS OR APPLICATONS L d E l d 325,333 9/!920 Germany 4. 3/6 455,64l 2... |
US-3874005-A | Child{3 s safety playpen for use in water | 1 1 CHILDS SAFETY PLAYPEN FOR USE IN WATER Primary ExaminerTrygve M. Blix Assistant E.\'aminerGalen L. Barefoot [76] Inventor g fi' 23%? g ggi i Attorney, Agent, or FirnzPugh & Laiche Lake Charles, La. 70601 22 F1 d: A l 197 1 3 57 ABSTRACT [21] App]. No.: 387,969
The present invention pertains to a nov... |
US-3874006-A | Organic compost collector for sink drain system | United States Patent Ritter [451 Apr. 1, 1975 1 ORGANIC COMPOST COLLECTOR FOR SINK DRAIN SYSTEM [76] Inventor: Ann Lance Ritter, 1001 Balmoral Dr., Nashville, Tenn. 37220 [22] Filed: Mar. 4, 1974 211 Appl. No.: 447,841
[52] US. Cl. 4/189, 4/287 [51] Int. Cl. E03c 1/18, E030 1/26, A47k 1/14 [58] Field Of Search 4/166... |
US-3874007-A | Liquid dispensing apparatus and method for toilet flush tank | United States Patent 1191 Dolan 1 Apr. 1, 1975 [54] LIQUID DISPENSING APPARATUS AND 2,913,734 11/1959 OHare 4/227 METHOD FOR TOILET FLUSH 2,967,310 l/l961 OHare 4/227 3,341,074 9/1967 Pannutti 4/227 X [76] Inventor: John E- Dolan, O Orchard 3,698,021 10/1972 Mack et al 4/227 Quarry Height, Harrison, N.Y. 10604 FOREIGN ... |
US-3874008-A | Water closet seats and covers therefor | United States Patent 11 1 Warnberg 1451 Apr. 1, 1975 1 1 WATER CLOSET SEATS AND COVERS THEREFOR [76] Inventor: Archie E. Warnberg, 3600 NW.
43rd St., Oklahoma City, Okla. 731 12 22 Filed: Jan. 2, 1974 211 Appl. No.: 430,061
Related U.S. Application Data [63] Continuation-in-part of Ser. No. 97,939, April 15. 1971... |
US-3874009-A | Supporting apparatus for an upper bed deck of a mobile home vehicle | United States Patent 1191 Nosaka et al.
[ 1 Apr. 1, 1975 SUPPORTING APPARATUS FOR AN UPPER BED DECK OF A MOBILE HOME VEHICLE [75] Inventors: Teizou Nosaka, Chiryu; Tohru Mase,
Kariya; Toshitaka Tsukiyama, Toyoda; Keiichi Ohashi; Yasushi Ito, both of Kariya, all of Japan [73] Assignee: Toyota Shatai Kabushiki Kais... |
US-3874010-A | Occupant turning device for bed | Geary Apr. 1, 1975 OCCUPANT TURNING DEVICE FOR BED [76] Inventor: William M. Geary, 9347 Crawford Ave., Evergreen Park, 111. 60642 [22] Filed: Mar. l5, 1974 [21] Appl. N0.: 451,434
Related U.S. Application Data [62] Division of Ser. No. 255,427, May 22, 1972, Pat. No.
[52] U.S. Cl. 5/61, 5/92 [51] Int. Cl A6lg 7... |
US-3874011-A | Children{3 s or infant{3 s furniture | United States Patent Walsh et al.
Apr. 1, 1975 vFiled:
CHILDREN'S OR INFANTS FURNITURE Inventors: Frederick Bartholomew Walsh, 17
Grange Park Ave., Raheyn, Dublin; Leslie Laurence Grennan, 16 Broad Meadow, Swords, both of Ireland Jan. 12, 1973 Appl. No: 322,994
US. Cl. 5/108, 5/62 Int. Cl. A47d 9/02'... |
US-3874012-A | Flotation device for a craft | 1 1 Apr. 1, 1975 1 1 FLOTATION DEVICE FOR A CRAFT [75] Inventor: Anthony Florio, San Francisco,
Calif.
[73] Assignee: The Raymond Lee Organization Inc., New York, NY. a part interest [22] Filed: Nov. 29, 1973 [21] Appl. No.: 419,915
[52] US. Cl 9/9, 114/164, 114/54,
244/107 [51] Int. Cl B63b 21/52 [58] Fie... |
US-3874013-A | Buoy device for locating and retrieving sunken vessels | United States Patent [1 1 Hudson 1 Apr. 1, 1975 1 1 BUOY DEVICE FOR LOCATING AND RETRIEVING SUNKEN VESSELS Gerald E. Hudson, 815 S. 136th, Seattle, Wash. 98168 [22} Filed: Jan. 21, 1974 1211 Appl. No.: 435,275
[76] lnventor:
Primary E.rumim'rTrygve M. Blix Asxislunl Examiner-Jesus D. Sotelo AIIUIIIU), Agent. ... |
US-3874014-A | Swimming gloves | United States Patent 1191 Davey Apr. 1,1975
[76] Inventor:
i 1 SWIMMING GLOVES Joseph A. Davey, 250 Beach 134th St., Rockaway Park, NY. 11694 [22] Filed: Feb. 6. 1974 [21] Appl. No.: 439,915
[52] U.S. Cl. 9/308 [51] Int. Cl A63b 31/02 [58] Field of Search 9/308, 307. 30]
[56] References Cited UNITED STATES ... |
US-3874015-A | Rocker platform edge binder | United States Patent 1 1 1111 3,874,015
Decoulos et al. Apr. 1, 1975 OC PLATFORM EDGE BINDER Primary E.\'aminerl atrick D. Lawson [75] Inventors: John J. Decoulos, Peabody; Eugene Attorney Agent Altman Oates &
E. Simpson, Lynn, both of Mass. Bell) [73] Assignee: Boston Machine Works Co., Lynn,
Mass. [5... |
US-3874016-A | Sweeper | United States Patent [11] 3,
Liebscher Apr. 1, 1975 1 SWEEPER 3,748,679 7/1973 Rosendall 15/42 inventor: Johannes Liebscher, Nassau, Lahn 3,750,215 8/1973 Llebscher 1 5/42 Germany Primary Examiner-Edward L. Roberts [73] Asslgnee: f f lntematlonal Gunter Attorney, Agent, or Firm -Michael S. Striker Lelfhelt KG, Wuppe... |
US-3874017-A | Rotary brush assembly | United States Patent 1 1 1111 3,874,017
Parker Apr. 1, 1975 I ROTARY BRUSH ASSEMBLY 3,564,637 2/1971 GOlllSlL, 15/182 1. [75] Inventor: Russell H. R. Parker, Cleveland, 3683444 8/1972 Schaefer et a 5/183 Ohio FOREIGN PATENTS OR APPLICATIONS Assignee: Superior Brush Australia: Cleveland Ohio 1,036,953 7/1966 Unlted K... |
US-3874018-A | Windshield wiper construction | United States Patent 1 1111 3,874,018 van den Berg et al. Apr. 1,1975
[54] WINDSHIELD WIPER CONSTRUCTION 3,082,463 3/1963 BOCk et al 15/250.32 [75] n entors: Johan H. van den Berg, Hasselt; 3,405,419 10/1968 Charlton 15/250.32
Hoebrechts, Mechelen FOREIGN PATENTS OR APPLICATIONS g g g Alex' Y 1,576,797 6/196... |
US-3874019-A | Windshield wiper adapter | United States Patent 1191 Speth Apr. 1, 1975 WINDSHIELD WIPER ADAPTER 2,605,491 8/1952 Williams /25032 Inventor: Peter J p 239 88th Ave, 2,607,944 8/1952 Turner et al. l5/250.32 X
Bellerose, 142 FOREIGN PATENTS OR APPLICATIONS [22] Filed, Sept 7 1973 958,121 5/1964 United Kingdom 15/25035 [2]] Appl. No.: 395,215 Pr... |
US-3874020-A | Windshield wiper unit | United States Patent 1 Van Eckelen et al.
[ 1 Apr. 1, 1975 WlNDSHlELD WIPER UNIT [75] Inventors: Alex H. A. M. van Eckelen; Johan H. van den Berg, both of Hasselt,
[21] Appl. No.: 330,752
[52] U.S. Cl l5/250.42, 15/250.36, 15/250.38 [51] Int. Cl. B608 l/38 [58] Field of Search l5/250.36, 250.32, 250.37,
3,6... |
US-3874021-A | Disposable paintbrushes | United States Patent 1 91 [11] 3, Jacobs 1 1 Apr. 1, 1975 15 1 DISPOSABLE PAINTBRUSHES 3.403.070 9/1968 LewisJr. 15/159 R x Inventor: Herbert v. J o s e 3.805.313 4/1974 Keatmg 15/159 R Philadelphian Apt. 181131. 24111 FOREIGN PATENTS OR APPLICATIONS g' gg Phlladelphw, 009.710 2/1935 Germany 15/244 A {22] Filed: Ma... |
US-3874022-A | Means for removing ink from a screen and including a cleaning head and accumulator | [451 Apr. 1, 1975 United States Patent [191 Wogoman et al.
f o G mh Am W mt R mm F0 M a I mmwh WA m n I. L l vw m mu w U u mn D mud N FP.m 0 M M M N E n ARA e ECE V MSHIm 4 5 5 l [73] Assignee: Wells Electronics, Inc., South Bend, Assistant Examiner-Richard Fisher Ind.
Attorney, Agent, or FirmOltsch & Knoblo... |
US-3874024-A | Hose coupling arrangement for pneumatically actuated floor care appliances | United States Patent Ford [ 1 Apr. 1, 1975 HOSE COUPLING ARRANGEMENT FOR PNEUMATICALLY ACTUATED FLOOR CARE APPLIANCES [75] Inventor: Roger S. Ford, Memphis, Tenn.
[73] Assignee: The Hoover Company. North Canton, Ohio [22] Filed: Sept. 13, 1973 [21] Appl. No.: 397,150
[52] US. Cl 15/339, 285/7, 285/137 R [51] Int.... |
US-3874025-A | Hinge arrangement for articulated windshield wiper blades | United States Patent Cone Apr. 1, 1975 [541 HINGE ARRANGEMENT FOR 3,659,309 5/1972 Besnard 151250.32
ARTICULATED WINDSHIELD WIPER FOREIGN PATENTS oR APPLICATIONS BLADES 1,920,035 10/1970 Germany l5/250.32
Inventor: Irwin C. Cone, Littleton, Colo.
The Gates Rubber Company, Denver, Colo.
Filed: June 18, 1973 ... |
US-3874026-A | Door guide locking means | United States Patent [1 1 Uphoff 1 Apr. 1,1975
[ DOOR GUIDE LOCKING MEANS [75] Inventor: Billie J. Uphoff, Morton, Ill.
[73] Assignee: Morton Buildings, lnc., Morton, 111.
[22] Filed: Aug. 30, 1973 [21] Appl. No.: 392,880
[52] US. Cl 16/82, 16/90, 49/449 [51] Int. Cl E05f 5/02 [58] Field of Search 16/82, 90... |
US-3874027-A | Shock absorbing bearing assembly | United States Patent Parsons Apr. 1, 1975 SHOCK ABSORBING BEARING ASSEMBLY Primary E.\'aminerPaul R. Gilliam Assistant Examiner-Doris L. Troutman 75 l t h P H f I 1 men or gi arsons West art Attorney, Agent, or Firm-Brumbaugh, Graves,
' Donohue & Raymond [73] Assignee: The Stanley Works, New Britain,
... |
US-3874028-A | Bearing for swivel hinges | United States Patent [191 Ernst et al.
[ 1 BEARING FOR SWIVEL HlNGES [75] Inventors: Horst Ernst, Eltingshausen; Armin Olschewski, Schweinfurt; Manfred Brandenstein, Aschfeld, all of Germany [73] Assignee: SKF Industrial Trading and Development Company B.V., Amsterdam, Netherlands 22 Filed: July 26,1973
2| Appl.... |
US-3874029-A | Positive locking hinge | United States Patent 1 1 McCullough I 1451 Apr. 1, 1975 v1. .2] Filed:
1 POSITIVE LOCKING HINGE [76] Inventor: Richard C. McCullough. 1154 Eastwood Ave.. Inglewood. Calif. 90304 Jan. 16. 1974 1211 Appl. No.: 433,687
Primary ExamineF-Paul R. Gilliam Assistant E.\'aminerDoris L. Troutman Almrm'y. Agent. or ... |
US-3874030-A | Apparatus for spreading tows of fibrous materials | [ Apr. 1,1975
[ APPARATUS FOR SPREADING TOWS OF FIBROUS MATERIALS Jack B. Knight, Richmond, Va.
Philip Morris Incorporated, New York, NY.
Filed: Mar. 8, 1973 Appl. No.: 339,167
Inventor:
Assignee:
US. Cl. 19/65T, 26/63, 242/157 Int. Cl D0ld 11/02 Field of Search 19/65 T, 66 T; 226/108,
France 26/63... |
US-3874031-A | Apparatus for the manufacture of rolls from batting | United States Patent 1 1 Simon 1 Apr. 1, 1975 1 1 APPARATL'S FOR THE MANUFACTURE OF ROLLS FRO BATTING [75] Inventor: Stefan Simon,
Modling/N iederosterreich. Austria [73] Assignee: Carl Hahn GmbH, Dusseldorf,
Germany [221 Filed: July 10, 1972 [21] Appl. No.: 270.393
Primary IiruminerDorsey Newton .-1I1urne... |
US-3874032-A | Method and apparatus for the manufacture of tampons | O United States Patent 1 [111 3,
Simon et al. Apr. 1, 1975 METHOD AND APPARATUS FOR THE [57] ABSTRACT MANUFACTURE OF TAMPONS An improvement in a process for the manufacture of [75] Inventors; St f Si tampons wherein a batting is wound into a plurality of Moedli /Ni d t i h rolls, the rolls are transferred to a press... |
US-3874033-A | Trumpet | United States Patent [191 Duncan Apr. 1, 1975 TRUMPET [75] Inventor: Raymond E. Duncan, Union, SC.
[73] Assignee: Deering Milliken Research Corporation, Spartanburg, SC.
[22] Filed: Nov. 2, 1970 [21] Appl. No.: 85,927
[52] US. Cl. 19/288 [51] Int. Cl D0111 5/72 [58] Field of Search 19/288, 150, 292, 291,
[5... |
US-3874034-A | Perforated thermoplastic plastic strap closure affixed to an open mouth bag structure | United States Patent 1191 Clayton 1 Apr. 1, 1975 [75] Inventor: William .1. Clayton, Fairport, NY.
[73] Assignee: Mobil Oil Corporation, New York,
22 Filed: Feb. 7, 1974 21 Appl. No.: 440,421
Related U.S. Application Data [63] Continuation of Ser. No. 216,411, Jan. 10, 1972, abandoned, Continuation-in-part of... |
US-3874035-A | Hanger clip | United States Patent 1191 11.11 3,874,035
Schuplin 1 Apr. 1, 1975 HANGER CLIP 3,463,522 8/1969 Meehan 248/228 x 3,618,176 11/1971 B 24 84B [75] Inventor: .grfi'pme T. Schuplm, Parma Heights, 3,743,228 7/1973 03:1 244/228 [73] Assignee: Fastway Fasteners, lnc., Lorain, ry e G60- V. Larkin Ohi Attorney, Agent, or ... |
US-3874036-A | Sliding clasp fasteners | United States Patent 1 [111 3,874,036
Yoshikawa [45] A r, 1, 1975 SLIDING CLASP FASTENERS [56] References Cited [75] Inventor: Kiichi Yoshikawa,Toy0naka, UNITED STATES PATENTS osakaJapan 3,015,868 1/1962 Ruhrmann 24/205.16 C 3,054,158 9/1962 Yoshida 24/2051 C [73] Ass1gnee: Yoshlda Kogyo Kabushiki Kaisha, 3,149,387 ... |
US-3874037-A | Pressure sealing slide fastener | United States Patent [191 Takamatsu Apr. 1, 1975 [21] Appl. No: 439,057
[30] Foreign Application Priority Data Feb. 6. 1973 Japan 48-16118 [52] US. Cl 24/205.1 R Int. Cl A44b 19/32 Field of Search 24/205.1 R
[56] References Cited UNITED STATES PATENTS 2,7-16 l 13 5/1956 138K127 6/1959 2.909.823 Ill/1959 3.082.501... |
US-3874038-A | Sliding clasp coupling elements | United States Patent [191 Takamatsu [451 Apr. 1, 1975 1 SLIDING CLASP COUPLING ELEMENTS [75] Inventor: Ikuo Takamatsu, Uozu, Japan [73] Assignee: Yoshida Kogyo Kabushiki Kaisha,
Tokyo, Japan [22] Filed: July 31, 1973 [21] Appl. No.: 384,176
[30] Foreign Application Priority Data Aug. 3, 1972 Japan 47-91399 [52] U... |
US-3874039-A | Slide fastener stringer with scoops fabricated of a continuous filament | United States Patent 1 Takamatsu Apr. 1, 1975 [75] Inventor: Ikuo Takamatsu, Oaza Daikaiji Uozu, Japan [73] Assignee: Yoshida Kogyo K.K., Tokyo, Japan [22] Filed: July 26, 1974 211 App]. No.: 492,061
[30] Foreign Application Priority Data Aug. 24, 1973 Japan 48-99845 [52] US. Cl. 24/205.13 C, 24/205.l6 C [51] Int. C... |
US-3874040-A | Cam-lock slider | D United States Patent 1 1 1111 3,874,040
Murakami Apr. 1, 1975 1 CAM-LOCK SLIDER 2,539,520 1/1951 Mikulas 24/2o5.14 A 2,968,078 1/1961 Huelster 24/205.l4 A [75] Inventor: Shoets Mumkam" Kumbe Japan 3,068,542 12/1962 Firing 24/205.14 R [73] Assignee: Yoshida Kogyo Kabushiki Kaisha,
Tokyo, Japan Primary Exami... |
US-3874041-A | Fasteners | United States Patent 1 91 1111 3,874,041
Smith Apr. 1, 1975 1 FASTENERS 2.695.046 11/1954 Tinnerman 51/4175 [75] Famham 3,417,442 12/1968 S m ith ..24/221 A England 3.504.875 4/1970 .lOllllSOll.... 24/221 K 3,600,018 8/1971 Dzus 24/221 A [73] Ass'gnee' 3 5 Fastener West [Shp 3,656,466 4/1972 Dzus 24/221 A [2... |
US-3874042-A | Clamp for thin walled tubing | United States Patent [191 Eddleman et al.
[111 3,874,042 [451 Apr. 1, 1975 1 1 CLAMP FOR THIN WALLED TUBING [73] Assignee: Biospectrum, Inc., Los Angeles,
Calif.
22 Filed: Jan. 22, 1973 21 App1.No.:325,394
[52] US. Cl. 24/255 SL, 128/346, 251/10 [51] Int. Cl Fl6k 7/04, A6lb 17/10 [58] Field of Search 24/67... |
US-3874043-A | Apparatus for uncurling the edges of a running web | [ 51 Apr. 1,1975
United States Patent 1191 Holm 26/DIG, l 26/DIG. l 26/DIG l Wmm m.m.m KK add mumm en GUU 833 366 999 NH 8009 952 35 347 633 699 Primary ExaminerRobert R. Mackey [73] Assignee:
Attorney, Agent, or Firm-M0rse, Altman, Oates & Bello 22 Filed: Oct. 9, 1973 21 1 Appl. No.: 404,308
[57] ABSTRAC... |
US-3874044-A | Apparatus and process for simultaneous crimping and commingling of yarns | United States Patent 11 1 1111 3,874,044
Kwon et al. Apr. 1, 1975 APPARATUS AND PROCESS FOR 3,763,525 10/1973 MacKnight 28/l.3
SIMULTANEOUS CRIMPING AND COMMINGLING OF YARNS Inventors: Young D. Kwon, Morristown;
Russell H. Butler, Dover; l-lendrikus J. Oswald, Morristown, all of N.J.; Dong W. Kim, Chester, Va.... |
US-3874045-A | Simultaneously crimping and commingling yarns | United States Patent [19] Butler et al.
[451 Apr. 1, 1975 SIMULTANEOUSLY CRIMPING AND COMMINGLING YARNS [75] Inventors: Russell H. Butler, Dover; l-lendrikus J. Oswald; Young D. Kwon, both of Morristown, all of NJ.
[73] Assignee: Allied Chemical Corporation, New
York, NY.
[22] Filed: Mar. 8, 1974 [21] Appl.... |
US-3874046-A | Device for singeing threads | United States Patent n91 Aschwanden et al.
[ Apr. 1,1975
i 1 DEVICE FOR SINGEING THREADS [75] Inventors: Paul Aschwanden, Arth; Konrad Wick, Goldau, both of Switzerland [73] Assignee: Aktiengesellschaft Fr. Mettlers Sohne Maschinenl'abrik, Arth. Switzerland [22] Filed: Apr. 24. 1973 [2H Appl. No.: 354,081
... |
US-3874047-A | Process to provide narrow yarn width of transfer tails of multifilament yarn | United States Patent Peckinpaugh et al.
PROCESS TO PROVIDE NARROW YARN WIDTH OF TRANSFER TAILS OF MULTIFILAMENT YARN Inventors: Frank Lee Peckinpaugh, Colonial Heights; Joseph John Bellemore, Chester, both of Va.
Allied Chemical Corporation, Morristown, NJ.
Filed: Nov. 21, 1972 Appl. No.1 308,360
Assignee: ... |
US-3874048-A | Method and apparatus for fabricating tubing | United States Patent Millar et al.
METHOD AND APPARATUS FOR FABRICATING TUBING Inventors: Barry C. Millar, lslington; Keith W. Little, Georgetown, both of Ontario, Canada Assignee: Bundy Corporation, Detroit, Mich.
Filed: Dec. 4, 1972 Appl. No.: 311,952
us. 01. 29/33 K, 10/12 T, 10/166, 29/33 P, 29/33 T, 29/20... |
US-3874049-A | Method of making a powdered metal part having a bearing surface | United States Patent Ferguson 5] Apr. 1, 1975 54] METHOD OF MAKING A POWDERED 3,445,148 5/1969 Harris et al. 29/1495 PM 3,785,038 1/1974 Zapf 29/4205 METAL PART HAVING A BEARING SURFACE 175] Inventor: Howard A. Ferguson, Coldwater,
Mich.
[731 Assignee: Russell, Burdsall & Ward, Inc.,
Greenwich, Conn.
[2... |
US-3874050-A | Method of making a bearing | United States Patent 1191 White 1111 3,874,050 1451 Apr. 1, 1975 [5 METHOD OF MAKING A BEARING 3,626,566 12/1971 Kilgour 29/1495 B 3,654,683 4 1 72 Wh't 29 149.5 B [76] Inventor: Charles s. White, 35815-42nd $1., I 9
East, Palmdale, Calif. 93550 [22 Filed; AP 4, 1974 Primary Examiner-Thomas l-l. Eager Att A t, ... |
US-3874051-A | Method for producing girders | United States Patent n 1 Malik 1 Apr. 1, 1975 METHOD FOR PRODUCING GIRDERS [76] Inventor: Stanislaus Malik. Taeleshahnstrasse 24, 734 Gcislingcn, Germany [22l Filed: Jan. 25, 1974 [2]] Appl No: 436,725
[52] US. Cl 29/155 R. 29/416. 29/463 [5 l] Int. Cl. 823p 17/00, B2ld 39/02 I58] Field of Search 29/!55 R, 155 C. 46... |
US-3874052-A | Method of forming and installing pressure responsive diaphragms | United States Patent [191 Schantz [111 3,874,052 Apr. 1, 1975 METHOD OF FORMING AND INSTALLING PRESSURE RESPONSIVE DIAPHRAGMS Primary Evaminer-C. W. Lanham Assistant ExaminerDan C. Crane [76] Inventor: Spencer C. Schantz, 16608 W. H H
Roger Dr New Berlin. Wis 53153 AIIOHIL), Agent. or [lH7IAlthUl L. Morsell, Jr.
... |
US-3874053-A | Method of manufacturing a radiator | United States Patent 1191 Nederlof 1 11 3,874,053 1 Apr. 1, 1975 [54] METHOD OF MANUFACTURING A RADIATOR [75] Inventor: Anton Marie Nederloi, Emmasingel,
Eindhoven, Netherlands [73] Assignee: U.S. Philips Corporation, New
York, NY.
[22] Filed: Oct. 9, 1973 121] App]. No.: 404,358
[30] Foreign Application Pr... |
US-3874054-A | Wheel process | United States Patent [191 Reppert 1 Apr. 1, 1975 1 WHEEL PROCESS [75] Inventor: Merlyn R. Reppert, Torrance, Calif.
[73] Assignee: W. R. Grace & Co., New York,
[22] Filed: Nov. 29, 1973 [21] Appl. No.: 420,109
[52] U.S. Cl 29/l59.0l, 29/15903, l13/116 D, 301/63 R, 301/64 R [51] Int. Cl ..B21h1/02, B2lk 1/3... |
US-3874055-A | Method of making vehicle wheel | Apr. 1, 1975 United States Patent [1 1 Wilcox METHOD OF MAKING VEHICLE WHEEL [76] Inventor: Raymond J. Wilcox, 44 Via Casitas, Pn'mary Lanham San Luis Rey Downs, Calif. 92068 Feb. 22, 1974 Assistant E.\'aminerVictor A. DiPalma Attorney, Agent, or FirmReising, Ethington & Perry 22 Filed:
[57] ABSTRACT A w... |
US-3874056-A | Stator coil press | United States Patent 1191 Peters Apr. 1, 1975 STATOR COIL PRESS [76] Inventor: Robert W. Peters, 9036 N. 75th St.,
Milwaukee, Wis. 53233 22 Filed: Sept. 27, 1973' 21 Appl. No.: 401,240
[52] US. Cl 29/205 D [51] Int. Cl. 1102k 15/06, H02k 15/085 [58] Field of Search 29/205 D, 205 R, 203 R, 29/203 D [56] Refere... |
US-3874057-A | Slider holder with a self-actuated release mechanism | United States Patent [1 1 Kawakami et al.
[ Apr. 1, 1975 SLIDER HOLDER WITH A SELF-ACTUATED RELEASE MECHANISM [75] Inventors: Koichi Kawakami, Kurobe; Tatsuo Osaki, Uozu, both of Japan [73] Assignee: Yoshida Kogyo Kabushiki Kaisha,
Tokyo, Japan [22] Filed: Apr. 17, 1974 [21] Appl. No.: 461,630
[30] Foreign App... |
US-3874058-A | Closure forming apparatus | Apr. 1, 1975 United States Patent [1 1 Jesevich et al.
29/453 X 29/453 UX 2,325,929 8/1943 Amesbury et al.....
1 1 CLOSURE FORMING APPARATUS 2,662.646 McCain 2,799,971 7/1957 Brudney..... 3 10/1962 Inventors: John Jesevich, Cicero; Vyto Simkus,
Eckman Chicago, both of 111.
g .m r u t c a M n MN k m e m y ... |
US-3874059-A | Rotary engine apex seal and spring injector | United States Patent Kosmanski Apr. 1, 1975 [54] ROTARY ENGINE APEX SEAL AND SPRING 3,367,016 2/1968 Sainz 29/270 INJECTOR FOREIGN PATENTS 0R APPLICATIONS 1 1 nto Thomas J. manski. Troy. Mich. 702.062 3/1931 France 29/269 [73] Assignee: General Motors Corporation, I
Den-0i. Mich. Primary Examiner-A1 Lawrence Smith ... |
US-3874060-A | Method of fabricating a demountable rod | United States Patent 1191 Barnes 1451 Apr. 1, 1975 1 METHOD OF FABRICATING A DEMOUNTABLE ROD [75] Inventor: Richard D. Barnes, Costa Mesa,
21 Appl. No.: 480,381
[52] US. Cl 29/416, 29/458, 29/525,
43/18 R, 43/18 GF, 264/159, 264/267, 264/295 [51] Int. Cl. B23p 17/00 [58] Field of Search 29/416, 525, 458, 445... |
US-3874061-A | Wire inserting device | United States Patent Gauthier 1 Apr. 1, 1975 WIRE INSERTING DEVICE [75] Inventor: Maurice Gauthier, Angouleme,
France 221 Filed: May 30,1973
211 App]. No.: 365,326
FOREIGN PATENTS OR APPLICATIONS Canada 29/241 1,111,259 7/1961 Germany 254/1343 FT Primary Examiner-James L. Jones, Jr. Attorney, Agent, or FirmSu... |
US-3874062-A | Process for fabricating a columnar assembly of spaced reinforcing bars | United States Patent 11 1 1111 3,874,062
Muto et al. Apr. 1, 1975 1 PROCESS FOR FABRICATING A 1,011,104 12/1911 Bates 29/155 c COLUMNAR ASSEMBLY OF SPACE) 3,296,690 l/1967 Barron.... 52/741 3,376,001 4 1968 Wieme 140 111 REINFORCING BARS 3,407,560 10/1968 Baumann 52/741 [75] Inventors: Kiyoshi Muto, Tokyo; Yasuhisa ... |
US-3874063-A | Method of pipe joint sealing | United States Patent 1191 Skinner et a1.
1 1 Apr. 1, 1975 METHOD OF PIPE JOINT SEALING [75] Inventors: Harry W. Skinner, 4609 St. Joe
Center Rd., Fort Wayne, 1nd. 46815; Max D. Orn, Scotia, NY.
52 us. c1 29/450, 29/525, 264/274, 277/181, 277/190, 285/189 51 1m. (:1 B23p 11/02 [58] Field of Search 29/450, 423,... |
US-3874064-A | Process for securing a rigid coupling to one end of an armored flexible pipe | United States Patent Chevalier Apr. 1, 1975 [5 1 PROCESS FOR SECURING A RIGID 1,086,641 2/1914 Blume 285/149 COUPLING TO ONE END OF AN ARMORED 5 1 a1ser FLEXIBLE PIPE 3.333,325 8/1967 Goward 29/508 [75] Inventor: Andr Chevalier, Pantin, France 3,446,361 /1969 Douty 29/460 X 3,531,143 9/1970 Horvath et al. 285/149 1 1 A... |
US-3874065-A | Method of making a stud assembly | United States Patent 1191 Schenk Apr. 1, 1975 [73] Assignee: Drus Fastener Co., Inc., West lslip,
[22] Filed: Nov. 5, 1973 [21] Appl. No.: 412,707
[52] US. Cl 29/467, 29/520, 29/526, 24/221 R, 74/543, 85/9 R [51] Int. Cl B23q3/00,B21d39/00,B23p 11/00 [58] Field of Search 29/467, 464, 520, 526',
24/221 R; 7... |
US-3874066-A | Preparation of compound wire | O United States Patent 11 1 1111 3,874,066 Lanner 5] Apr. 1, 1975 PREPARATION OF COMPOUND WIRE 3,663,723 5/1972 Persson 156/179 3,777,362 12/1973 Nilsson et al. 29/479 X [75] lnvemor- Lam", Garphytmn 3,820,229 6/1974 Larker et al. 29/4701 73 A AB G h G h FOREIGN PATENTS OR APPLICATIONS s We yuan 2,007,400 9/1970 Fr... |
US-3874067-A | Method and apparatus of butt welding pipes or the like | United States Patent Toyooka et al.
METHOD AND APPARATUS OF BUTT WELDING PIPES OR THE LIKE Inventors: Terumasa Toyooka; Kiyoshi Terai,
both of Hyogo, Japan Assignee: Kawasaki Jukogyo Kabushiki Kaisha, Hyogo, Japan Filed: June 7, 1973 Appl. No.: 367,928
US. Cl 29/470.3, 156/73, 156/304, 156/544, 156/580, 228/2,... |
US-3874068-A | Wave soldering electrical connections | 1451 Apr. 1, 1975 1 WAVE SOLDERING ELECTRICAL CONNECTIONS [75] Inventor:
[73] Assignee: Dynamics Corporation of America, New York, NY.
[22] Filed: Mar. 2, 1973 [21] Appl. No.: 337,386
Related US. Application Data Lawrence E. Cook, Meriden, Conn.
[60] Division of Ser. No. 219,036, Jan. 19, 1972, Pat. No.
... |
US-3874069-A | Method of bonding silicon carbide body to a metal part | United States Patent [191 Ingleby Apr. 1,1975
[ METHOD OF BONDING SILICON CARBIDE BODY TO A METAL PART [75] Inventor: Bryan Edward Ingleby, Preston,
England [73] Assignee: United Kingdom Atomic Energy Authority, London, England [22] Filed: Mar. 12, 1974 [21] Appl. N0.: 450,293
[30] Foreign Application Priority... |
US-3874070-A | High fatigue squeeze riveting process and apparatus therefor | United States Patent 1 1 Falcioni 1 1 Apr. 1, 1975 1 1 HIGH FATIGUE SQUEEZE RIVETING PROCESS AND APPARATUS THEREFOR [75] Inventor: Joseph George Falcioni, Tacoma,
Wash.
[73] Assignee: The Boeing Company, Seattle,
Wash.
221 Filed: Aug. 3, 1973 211 Appl. No.: 385,450
156] References Cited UNITED STATES PA... |
US-3874071-A | Machine tool with automatic tool changing device | I [451 Apr. 1, 1975 MACHINE TOOL WITH AUTOMATIC TOOL CHANGING DEVICE [75] Inventor: Sadamu Kato, Takahama, Japan [73] Assignee: Toyoda Koki Kabushiki Kaisha,
Kariya-shi, Aichi-ken, Japan 22 Filed: Feb. 23, 1973 21 Appl. No.: 335,094
[30] Foreign Application Priority Data Feb. 25, 1972 Japan 47-19941 [52] US. Cl. ... |
US-3874072-A | Semiconductor structure with bumps and method for making the same | United States Patent Rose et al.
[ Apr. 1,1975
[ SEMICONDUCTOR STRUCTURE WITH BUMPS AND METHOD FOR MAKING THE SAME [75] Inventors: Ralph E. Rose, San Jose, Calif;
[73] Assignee: Signetics Corporation,
Sunnyvale, Calif.
[22] Filed: Aug. 27, 1973 [21] App]. N0.: 392,112
Related US. Application Data [62]... |
US-3874073-A | Method of manufacturing dynamoelectric machines | United States Patent 11 1 1111 3,874,073 Dochterman et a1. Apr. 1, 1975 [54] METHOD OF MANUFACTURING 3,436,569 4/1969 Flahcrty, Jr. ct a1, 310/43 DYNAMOELECTRIC MACHINES 3,493,531 2/1970 Hofmann ct al 264/272 X 3,685,926 8/1972 Blum Inventors: Richard Dochterman, Fort 1124.909 12/1960 Dochterman 310/43 x Wayne, 1nd.; M... |
US-3874074-A | Method of fabricating a stabilized composite superconductor | United States Patent 1 1 Meyer 1 Apr. 1,1975
[ 4] METHOD OF FABRICATING A STABILIZED COMPOSITE SUPERCONDUCTOR [75] Inventor: Gundolf Meyer, Birmenstorf, Switzerland [73] Assignee: BBC Brown Boveri & Company Limited, Baden, Switzerland [22] Filed: May 30, 1973 [21] Appl. No.: 365,148
[30] Foreign Application P... |
US-3874075-A | Method for the production of an inductive component element | United States Patent 11 1 1111 3,874,075 Lohse Apr. 1, 1975 METHOD FOR THE PRODUCTION OF AN 3,123,787 3/1964 Shifrin 29/602 x INDUCTIVE COMPONENT ELEMENT 3,293,587 12/1966 Robinson 219/121 L 3,319,207 5/1967 Davis 336/229 Inventor: Hartwlg L9hse, Regensburg, 3,530,573 9/1970 Helgeland 219/121 LM Germany 3,534,472 10/19... |
US-3874076-A | Method and apparatus for manufacturing soft metal sheaths for electrical wires | United States Patent Tsukamoto et al. [45] A 1, 1975 [5 METHOD AND APPARATUS FOR 3,356,790 12/1967 POllZZZmO et al. 29/624 ux NU CT SOFT METAL SHEATHS glge 1em FOR ELECTRICAL WIRES 3,693,250 9/1972 Brorein et 61.... 29/2025 x [75] inventors: Akiyoshi Tsukamoto; l-liroyuki 3,7l6,908 2/1973 Rowell 29/477.7
Kumamaru; K... |
US-3874077-A | Method and apparatus for centering and shearing the free end portion of a plurality of leads which extend outwardly from one end of a template | United States Patent Folk 1 Apr. 1, 1975 METHOD AND APPARATUS FOR CENTERING AND SHEARING THE FREE END PORTION OF A PLURALITY OF LEADS WHICH EXTEND OUTWARDLY FROM ONE END OF A TEMPLATE [75] Inventor: Kenneth Foster Folk, Harrisburg,
[73] Assignee: AMP Incorported, Harrisburg, Pa.
[22] Filed: Dec. 12, 1973 [21] App... |
US-3874078-A | Can opener with helically mounted blade | United States Patent 1191 1111 3,874,078 Raque Apr. 1, 1975 1 CAN OPENER WITH HELICALLY 1,789,729 1/1931 Coyle 30/4 A MOUNTED BLADE 2,677,881 5/l954 Anderson..... 75 I R b G R L K 3,215,017 11/1965 Rutz 83/696 x l 1 l f FOREIGN PATENTS OR APPLICATIONS [731 Asslgnee FMC Cmpmmn, San Jose Callf- 52,870 9/1910 Switzerland ... |
US-3874079-A | Auxiliary trimmer assembly for an electric shaver | United States Patent 1191 Waters et a1.
[451 Apr. 1, 1975 [75] Inventors: Robert S. Waters; Donald L.
Shortlidge, both of Lancaster, Pa.
[73] Assignee: Schick Incorporated, Lancaster, Pa.
[22] Filed: June 6, 1974 [2]] Appl. No.: 477,021
3/1957 Germany 30/34.] 2/1960 United Kingdom 30/34.]
Primary Exam... |
US-3874080-A | Buccal end tube | United States Patent [191 Wallshein [111 3,874,080 [451 Apr. 1,1975
1 1 BUCCAL END TUBE [76] inventor: Melvin Wallshein, 8645 Bay Pky.,
Brooklyn, NY. 11228 [22] Filed: Mar. 5, 1973 [21] Appl. No.: 337,897
[52] US. Cl 32/14 A [51] Int. Cl. A6lc 7/00 [58] Field of Search 32/14 A [56] References Cited UNITED STAT... |
US-3874081-A | Dental pin and dispenser | Unlted States Patent 1 1 1111 3,
Franklin et al. Apr. 1, 1975 [54] DENTAL PIN AND DISPENSER 2,472,103 6/[949 Giesen 32/6 2, 4 [76] Inventors: Mark E. Franklin, 29 Koster Dr., 233 $222 I n Freehold, 7 James 3,473,223 /1969 Karlstrom 32/12 SchmIdt, 33 Blrmmgham 3,675,328 7/1972 Weissman 32/15 Englishtown, NJ. 07726 22... |
US-3874082-A | Tooth treatment method | United States Patent [191 Stein Apr. 1, 1975 1 TOOTH TREATMENT METHOD [76] inventor: Lewis Stein, 147-34 Village Rd.,
Jamaica, NY. 11435 [22] Filed: June 4, 1973 [2]] Appl. No.: 366,668
[52] U.S. Cl. 32/15 [51] Int. Cl A6lk 5/02 [58] Field of Search 32/1, 15, 57; 106/6, 35;
[56] References Cited UNITED STATES ... |
US-3874083-A | Adjustable nozzle dental syringe with pull-back valve | United States Patent Buckley ADJUSTABLE NOZZLE DENTAL SYRINGE WITH PULL-BACK VALVE Apr. 1, 1975 Primary E.\'aminerRobert Peshock Attorney, Agent, or FirmPhillips, Moore, Weissenberger Lempio & Strabala [57] ABSTRACT A dental syringe connectable to sources of air and water under pressure for selectively providin... |
US-3874084-A | Prescription tooth-cleansing and gingival therapeutic device | United States Patent Cole [ Apr. 1, 1975 1 PRESCRIPTION TOOTH-CLEANSING AND GINGIVAL THERAPEUTIC DEVICE William Lloyd Cole, Hollywood, Fla.
[73] Assignee: Orville N. Greene, New York, NY.
; a part interest 22 Filed: Dec. 6, 1973 21 Appl. No.: 422,179
[75] Inventor:
Primary Examiner-Robert Peshock Allorney, ... |
US-3874085-A | Pasta gauge | United States Patent 1 1 Atkins [451 Apr. 1, 1975 l l PASTA GAUGE 2 l 1 Appl. No.: 363,274
[52] US. Cl 33/174 T, 33/178 B [5 1] Int. Cl. GOlb 3/34 [58] Field of Search 33/174 T. 174 H, 174 D,
33/178 B, 199 R, 1 F
[56] References Cited UNITED STATES PATENTS 1.025.255 5/1912 Driver 33/178 B 2.166.650 7/1939 Town... |
US-3874086-A | Layout device | United States Patent [191 Ludlam Apr. 1, 1975 22 Filed:
[ 1 LAYOUT DEVICE [76] lnventor: David C. Ludlam, 5828 McMillan Cir., Columbia, SC. 29210 Apr. 29, 1974 [21] Appl. No.: 465,079
Primary E.\'aminerRichard E. Aegerter Assistant Examiner-Willis Little Attorney. Agent, or Firm-Bailey & Dority [57] ABSTR... |
US-3874087-A | Surveying instrument | [ 1 Apr. 1, 1975 United States Patent 1 Nunlist 2,998.653 9/1961 Haglund............................ 33/275 R 20 ll 7 197 P' 3 267 Rene Nunlist, Aarau, Switzerland 3 5 6 0 mm 3/ Kern & C0. AG, Aarau, Switzerland Primary E.\'aminerHarry N. l-laroian Assistant Examiner-Richard R. Stearns Attorney, Agent, or F... |
US-3874088-A | Optical plumbing apparatus | United States Patent [191 Shaffer, Jr.
[111 3,874,088 [451 Apr. 1,1975
[ OPTICAL PLUMBING APPARATUS [76] Inventor: William Shaffer, Jr., 3103 Carter,
Pasadena, Tex. 77503 [22] Filed: Feb. 7, 1973 [21] Appl. No.: 330,295
260.205 5/1970 U.S.S.R 33/286 Primary Examiner-Harry N. l-laroian Assistant Examiner-Ric... |
US-3874089-A | Thermal coupler for a dryness control circuit | United States Patent 1191 Offutt THERMAL COUPLER FOR A DRYNESS CONTROL CIRCUIT [75] Inventor: Carl R. Offutt, St. Joseph, Mich.
[73] Assignee: Whirlpool Corp., Benton Harbor,
Mich.
[22] Filed: Aug. 27, 1973 [21] Appl. N0.: 391,552
317/235 Q; 324/65 R, 71 SN; 328/3; 307/310, 132; 219/494, 497, 499, 504, 505... |
US-3874090-A | Method and apparatus for drying polymeric materials | United States Patent [191 McCracken [451 Apr. 1, 1975 METHOD AND APPARATUS FOR DRYIN POLYMERIC MATERIALS I [75] Inventor: Nathan John McCracken, Sarnia,
Ontario, Canada [73] Assignee: Polysar Limited-Polysar Limitee,
Sarnia, Ontario, Calif.
22 Filed: Mar. 2, 1973 21 Appl. No.: 337,701
Related U.S. Applica... |
US-3874091-A | Printed paper drying device for offset printing | mte States Patent 1 1 1 3,874,091 Fukumoto Apr. 1, 1975 [54] PRINTED PAPER DRYING DEVICE FOR 2,473,629 6/1949 Andrews: 34/160 OFFSET PRINTING 2,532,032 11/1950 Offen..... 34/13 2,700,226 1/1955 Dun ler 34/160 [76] n ent T a Fukumoto, 3,680,218 8/1972 Belui 34/156 Sanno-cho l-chome, Ota-ku, T J Okyo apan Primary Examine... |
US-3874092-A | Drying device for a rotary dragee-making kettle | United States Patent Huttlin Apr. 1, 1975 DRYING DEVICE FOR A ROTARY 3.83.38! 391329 gufini 331:3:
,2 .23 Ill 6 ain ..r.ll DRAGEE MAKING KETTLE 3,302,608 2/l967 Coons et al ll8/l9 [75] Inventor: Herbert Huttlin, Steinen, Germany [73] Assignee: Werner Glatt, Haltingen, Germany FOREIGN PATENTS OR APPLICATIONS 60,537 ... |
US-3874093-A | Respiratory apparatus | United States Patent 91 11 3,874,093 Garbe Apr. 1, 1975 RESPIRATORY APPARATUS Primary E.\'aminerHarland LS. Skogquist [76] Inventor: Dietmar Rudolf Garbe, Maids Anomey Agen" or FlrmaBlerman & Blerman Moreton House, Maids Moreton, Buckingham, England 57] A T Flledl p 14, 1973 An anatomical model for teaching... |
US-3874094-A | Preparation of skeletal display of animals | United States Patent 119] Mackey -451 Apr. 1, 1975 PREPARATION OF SKELETAL DISPLAY OF ANIMALS [76] Inventor: Walter J. Mackey, 1991 Sharondale Ave., St. Paul, Minn. 55113 [22] Filed: Feb. 6, 1974 211 Appl. No.: 439,874
OTHER PUBLICATIONS R. M. Anderson, Methods of Collecting and Preserving Vertebrate Animals," 1... |
US-3874095-A | Educational aid for teaching inequalities | United States Patent 11 1 Dewaele 1 Apr. 1, 1975 1 EDUCATIONAL AID FOR TEACHING 6/1970 Stobbe.....,.. 35/31 F 2/1974 Romstad 35/31 E Priniary Examiner-Wm. H. Grieb Attorney, Agent, or Firm-John J. Swartz [57] ABSTRACT An educational device for demonstrating mathematical relationships between quantities including a supp... |
US-3874096-A | Educational flash card assemblies | United States Patent [191 Romstad [451 Apr. 1, 1975 [2]] Appl. No.: 411,639
[52] US. Cl. 35/31 E, 35/75 [51] Int. Cl. G09b 1/36 [58] Field of Search 35/31 R, 31 D, 31 E, 31 G,
[56] References Cited UNITED STATES PATENTS 565,797 8/1896 Roller 35/75 850,150 4/1907 Glazier....
1,538,529 5/1925 Troidl 35/75 1,641,... |
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