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2557325
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Patent number 2,557,325
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Issue date Jun 19, 1951
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B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
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2170231
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Patent number 2,170,231
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Issue date Aug 22, 1939
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B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
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2083857
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Patent number 2,083,857
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Issue date Jun 15, 1937
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B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
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1437415
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Patent number 1,437,415
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Issue date Dec 5, 1922
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B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
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1395985
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Patent number 1,395,985
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Issue date Nov 1, 1921
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B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
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1395986
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Patent number 1,395,986
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Issue date Nov 1, 1921
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B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
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1353335
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Patent number 1,353,335
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Issue date Sep 21, 1920
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B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
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1353336
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Patent number 1,353,336
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Issue date Sep 21, 1920
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B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
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1332426
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Patent number 1,332,426
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Issue date Mar 2, 1920
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B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL