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Apparatus for sealing bag bottom
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Patent number 7,172,546
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Issue date Feb 6, 2007
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Hudson-Sharp Machine Co.
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Lee Fiedler
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B31 - MAKING ARTICLES OF PAPER OR CARDBOARD WORKING PAPER OR CARDBOARD
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Radial aligner and folding mechanism
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Patent number 6,095,961
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Issue date Aug 1, 2000
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F. L. Smithe Machine Company, Inc.
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Henry J. Mueller
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B31 - MAKING ARTICLES OF PAPER OR CARDBOARD WORKING PAPER OR CARDBOARD
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Flap closer
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Patent number 5,026,340
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Issue date Jun 25, 1991
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Thompson Manufacturing Company, Inc.
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Clyde W. Thompson
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B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
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Bag making apparatus
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Patent number 4,256,023
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Issue date Mar 17, 1981
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Umberto Vodarich
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B31 - MAKING ARTICLES OF PAPER OR CARDBOARD WORKING PAPER OR CARDBOARD
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Envelope making machine
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Patent number 3,998,137
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Issue date Dec 21, 1976
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American Paper Products Company
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Hans J. Seipel
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B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
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3837266
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Patent number 3,837,266
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Issue date Sep 24, 1974
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B31 - MAKING ARTICLES OF PAPER OR CARDBOARD WORKING PAPER OR CARDBOARD
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3793926
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Patent number 3,793,926
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Issue date Feb 26, 1974
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B31 - MAKING ARTICLES OF PAPER OR CARDBOARD WORKING PAPER OR CARDBOARD
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3773596
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Patent number 3,773,596
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Issue date Nov 20, 1973
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B26 - HAND CUTTING TOOLS CUTTING SEVERING