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Sealed document preparation system
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Patent number 9,039,111
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Issue date May 26, 2015
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Riso Kagaku Corporation
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Taku Naitou
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B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
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Openable flexible packet
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Patent number 4,498,591
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Issue date Feb 12, 1985
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Drug Concentrates, Inc.
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George B. Smith
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B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
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Thermoplastic bags and method of making
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Patent number 4,401,427
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Issue date Aug 30, 1983
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Mobil Oil Corporation
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Gordon L. Benoit
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B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
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3904465
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Patent number 3,904,465
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Issue date Sep 9, 1975
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B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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3857144
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Patent number 3,857,144
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Issue date Dec 31, 1974
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B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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3760940
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Patent number 3,760,940
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Issue date Sep 25, 1973
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B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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3598044
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Patent number 3,598,044
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Issue date Aug 10, 1971
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B31 - MAKING ARTICLES OF PAPER OR CARDBOARD WORKING PAPER OR CARDBOARD
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3411698
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Patent number 3,411,698
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Issue date Nov 19, 1968
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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3393861
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Patent number 3,393,861
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Issue date Jul 23, 1968
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B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL