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-
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2518902
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Patent number 2,518,902
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Issue date Aug 15, 1950
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B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
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1894244
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Patent number 1,894,244
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Issue date Jan 10, 1933
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B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
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1856223
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Patent number 1,856,223
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Issue date May 3, 1932
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B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
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1754786
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Patent number 1,754,786
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Issue date Apr 15, 1930
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B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
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1487498
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Patent number 1,487,498
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Issue date Mar 18, 1924
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B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
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1464168
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Patent number 1,464,168
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Issue date Aug 7, 1923
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B66 - HOISTING LIFTING HAULING