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Projector
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Patent number 10,042,238
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Issue date Aug 7, 2018
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Gemmy Industries Corporation
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Cheng-Chun Zhang
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G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
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Film retention core for film holders
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Patent number 5,419,510
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Issue date May 30, 1995
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Great Lakes Technologies Corporation
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Michael D. Schulze
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B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
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Film spool with separate keeper
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Patent number 4,974,788
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Issue date Dec 4, 1990
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Eastman Kodak Company
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Roger G. Covington
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B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
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Core for film spool
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Patent number 4,901,936
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Issue date Feb 20, 1990
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AGFA-GEVAERT N.V.
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Edward Buelens
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G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
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3885750
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Patent number 3,885,750
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Issue date May 27, 1975
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B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
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3880373
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Patent number 3,880,373
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Issue date Apr 29, 1975
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G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
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3833161
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Patent number 3,833,161
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Issue date Sep 3, 1974
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G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
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3814344
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Patent number 3,814,344
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Issue date Jun 4, 1974
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G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
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3809218
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Patent number 3,809,218
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Issue date May 7, 1974
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G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
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3802106
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Patent number 3,802,106
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Issue date Apr 9, 1974
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G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
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3791605
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Patent number 3,791,605
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Issue date Feb 12, 1974
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G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
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3768750
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Patent number 3,768,750
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Issue date Oct 30, 1973
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G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
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3752416
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Patent number 3,752,416
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Issue date Aug 14, 1973
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G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
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3744731
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Patent number 3,744,731
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Issue date Jul 10, 1973
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G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
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3743204
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Patent number 3,743,204
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Issue date Jul 3, 1973
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G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
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3715088
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Patent number 3,715,088
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Issue date Feb 6, 1973
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G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
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3713602
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Patent number 3,713,602
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Issue date Jan 30, 1973
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G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
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3712558
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Patent number 3,712,558
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Issue date Jan 23, 1973
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G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
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3697018
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Patent number 3,697,018
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Issue date Oct 10, 1972
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G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
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3695541
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Patent number 3,695,541
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Issue date Oct 3, 1972
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G06 - COMPUTING CALCULATING COUNTING
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3689003
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Patent number 3,689,003
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Issue date Sep 5, 1972
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B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
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3675869
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Patent number 3,675,869
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Issue date Jul 11, 1972
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G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
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3670983
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Patent number 3,670,983
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Issue date Jun 20, 1972
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G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
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3658228
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Patent number 3,658,228
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Issue date Apr 25, 1972
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G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
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3653603
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Patent number 3,653,603
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Issue date Apr 4, 1972
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G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
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3650389
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Patent number 3,650,389
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Issue date Mar 21, 1972
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G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
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3628746
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Patent number 3,628,746
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Issue date Dec 21, 1971
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G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY