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2851178
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Patent number 2,851,178
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Issue date Sep 9, 1958
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B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
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1801180
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Patent number 1,801,180
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Issue date Apr 14, 1931
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B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
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1700693
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Patent number 1,700,693
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Issue date Jan 29, 1929
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B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
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1615737
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Patent number 1,615,737
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Issue date Jan 25, 1927
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B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
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1580068
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Patent number 1,580,068
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Issue date Apr 6, 1926
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B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
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1559903
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Patent number 1,559,903
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Issue date Nov 3, 1925
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B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL