-
-
Magnetic disk tester
-
Patent number 5,423,111
-
Issue date Jun 13, 1995
-
Hitachi Electronics Engineering Co., Ltd.
-
Kyoichi Mori
-
B24 - GRINDING POLISHING
-
Method of turning grooves
-
Patent number 5,331,871
-
Issue date Jul 26, 1994
-
Carrier Corporation
-
Daniel V. Viens
-
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
-
-
-
-
-
Record engraving apparatus
-
Patent number 4,597,700
-
Issue date Jul 1, 1986
-
Mattel, Inc.
-
John C. Woolington
-
G11 - INFORMATION STORAGE
-
Article transfer apparatus
-
Patent number 4,264,254
-
Issue date Apr 28, 1981
-
RCA Corporation
-
Benjamin J. Chang
-
B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
-
Trimming disc records
-
Patent number 4,235,136
-
Issue date Nov 25, 1980
-
EMI Electrola Gesellschaft mit beschrankter Haftung
-
Hermann Strausfeld
-
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
-
3186029
-
Patent number 3,186,029
-
Issue date Jun 1, 1965
-
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
-
2586663
-
Patent number 2,586,663
-
Issue date Feb 19, 1952
-
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
-
2373960
-
Patent number 2,373,960
-
Issue date Apr 17, 1945
-
G11 - INFORMATION STORAGE
-
2300923
-
Patent number 2,300,923
-
Issue date Nov 3, 1942
-
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
-
2265032
-
Patent number 2,265,032
-
Issue date Dec 2, 1941
-
G11 - INFORMATION STORAGE
-
2259585
-
Patent number 2,259,585
-
Issue date Oct 21, 1941
-
G11 - INFORMATION STORAGE
-
2247747
-
Patent number 2,247,747
-
Issue date Jul 1, 1941
-
G11 - INFORMATION STORAGE
-
2231431
-
Patent number 2,231,431
-
Issue date Feb 11, 1941
-
G11 - INFORMATION STORAGE
-
2231430
-
Patent number 2,231,430
-
Issue date Feb 11, 1941
-
G11 - INFORMATION STORAGE
-
2231096
-
Patent number 2,231,096
-
Issue date Feb 11, 1941
-
G11 - INFORMATION STORAGE
-
2209833
-
Patent number 2,209,833
-
Issue date Jul 30, 1940
-
G11 - INFORMATION STORAGE
-
2209835
-
Patent number 2,209,835
-
Issue date Jul 30, 1940
-
G11 - INFORMATION STORAGE
-
2209834
-
Patent number 2,209,834
-
Issue date Jul 30, 1940
-
G11 - INFORMATION STORAGE
-
2209836
-
Patent number 2,209,836
-
Issue date Jul 30, 1940
-
G11 - INFORMATION STORAGE
-
2192597
-
Patent number 2,192,597
-
Issue date Mar 5, 1940
-
G11 - INFORMATION STORAGE
-
2192598
-
Patent number 2,192,598
-
Issue date Mar 5, 1940
-
G11 - INFORMATION STORAGE
-
2184367
-
Patent number 2,184,367
-
Issue date Dec 26, 1939
-
G11 - INFORMATION STORAGE
-
2184368
-
Patent number 2,184,368
-
Issue date Dec 26, 1939
-
G11 - INFORMATION STORAGE
-
2184365
-
Patent number 2,184,365
-
Issue date Dec 26, 1939
-
G11 - INFORMATION STORAGE
-
2184366
-
Patent number 2,184,366
-
Issue date Dec 26, 1939
-
G11 - INFORMATION STORAGE