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Lighttight cassette
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Patent number 5,222,681
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Issue date Jun 29, 1993
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E. I. Du Pont de Nemours and Company
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Erhard E. Loewe
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G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
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Spool for video cassette
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Patent number 4,473,198
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Issue date Sep 25, 1984
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AGFA-Gevaert A.G.
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Albert Pertzsch
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G11 - INFORMATION STORAGE
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Tape recorder slip clutch
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Patent number 4,470,561
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Issue date Sep 11, 1984
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Pitney Bowes Inc.
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Andre Debaudringhien
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G11 - INFORMATION STORAGE
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Endless tape travelling device
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Patent number 4,405,093
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Issue date Sep 20, 1983
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Tokyo Shibaura Electric Co., Ltd.
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Fumio Izawa
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G11 - INFORMATION STORAGE
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Lubricant sheet for magnetic tape cassette
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Patent number 4,376,519
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Issue date Mar 15, 1983
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TDK Electronics Co., Ltd.
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Toshihiko Ishida
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C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
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Webbing take-up device
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Patent number 4,347,992
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Issue date Sep 7, 1982
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NSK-Warner K.K.
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Hironobu Imai
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B60 - VEHICLES IN GENERAL
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Method of recoiling slit material
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Patent number 4,093,140
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Issue date Jun 6, 1978
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Braner Enterprises, Inc.
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Douglas S. Matsunaga
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B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
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Cable drums
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Patent number 3,952,962
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Issue date Apr 27, 1976
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Mackley-Ace Limited
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Patrick Michael Kidd
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B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
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3913868
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Patent number 3,913,868
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Issue date Oct 21, 1975
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G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
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3888431
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Patent number 3,888,431
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Issue date Jun 10, 1975
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G11 - INFORMATION STORAGE
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3883087
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Patent number 3,883,087
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Issue date May 13, 1975
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B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
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3791608
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Patent number 3,791,608
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Issue date Feb 12, 1974
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G11 - INFORMATION STORAGE
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3768753
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Patent number 3,768,753
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Issue date Oct 30, 1973
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G11 - INFORMATION STORAGE
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3768747
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Patent number 3,768,747
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Issue date Oct 30, 1973
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G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
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3767132
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Patent number 3,767,132
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Issue date Oct 23, 1973
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G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY