-
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Disk cover collar
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Patent number 4,748,530
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Issue date May 31, 1988
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Magnetic Peripherals, Inc.
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James L. Barnes
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G11 - INFORMATION STORAGE
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Information-disc cassette
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Patent number 4,443,874
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Issue date Apr 17, 1984
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U.S. Philips Corporation
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Johannes Steenberg
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G11 - INFORMATION STORAGE
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-
-
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Disc pack handle mechanism
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Patent number 4,253,129
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Issue date Feb 24, 1981
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Data Packaging Corporation
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David E. Butz
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G11 - INFORMATION STORAGE
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Single disk cartridge
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Patent number 4,222,487
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Issue date Sep 16, 1980
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Minnesota Mining and Manufacturing Company
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Allen J. Abel
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G11 - INFORMATION STORAGE
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Disc cartridge
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Patent number 4,071,862
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Issue date Jan 31, 1978
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Nashua Corporation
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Francis O. Lathrop
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G11 - INFORMATION STORAGE
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3917068
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Patent number 3,917,068
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Issue date Nov 4, 1975
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G11 - INFORMATION STORAGE
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3882701
-
Patent number 3,882,701
-
Issue date May 13, 1975
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E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
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3753490
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Patent number 3,753,490
-
Issue date Aug 21, 1973
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G11 - INFORMATION STORAGE
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3715739
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Patent number 3,715,739
-
Issue date Feb 6, 1973
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G11 - INFORMATION STORAGE
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3635608
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Patent number 3,635,608
-
Issue date Jan 18, 1972
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G11 - INFORMATION STORAGE
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3584132
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Patent number 3,584,132
-
Issue date Jun 8, 1971
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G11 - INFORMATION STORAGE
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3582169
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Patent number 3,582,169
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Issue date Jun 1, 1971
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G11 - INFORMATION STORAGE