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3605573
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Patent number 3,605,573
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Issue date Sep 20, 1971
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B31 - MAKING ARTICLES OF PAPER OR CARDBOARD WORKING PAPER OR CARDBOARD
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3063347
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Patent number 3,063,347
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Issue date Nov 13, 1962
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B31 - MAKING ARTICLES OF PAPER OR CARDBOARD WORKING PAPER OR CARDBOARD
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2749010
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Patent number 2,749,010
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Issue date Jun 5, 1956
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B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
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2746626
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Patent number 2,746,626
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Issue date May 22, 1956
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B31 - MAKING ARTICLES OF PAPER OR CARDBOARD WORKING PAPER OR CARDBOARD
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2220312
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Patent number 2,220,312
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Issue date Nov 5, 1940
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B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
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1413251
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Patent number 1,413,251
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Issue date Apr 18, 1922
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B31 - MAKING ARTICLES OF PAPER OR CARDBOARD WORKING PAPER OR CARDBOARD
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1172483
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Patent number 1,172,483
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Issue date Feb 22, 1916
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B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL