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3131522
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Patent number 3,131,522
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Issue date May 5, 1964
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B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
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2987862
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Patent number 2,987,862
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Issue date Jun 13, 1961
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B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
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2381078
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Patent number 2,381,078
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Issue date Aug 7, 1945
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B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
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1163709
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Patent number 1,163,709
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Issue date Dec 14, 1915
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B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
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1107360
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Patent number 1,107,360
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Issue date Aug 18, 1914
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B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
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1072505
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Patent number 1,072,505
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Issue date Sep 9, 1913
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B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL