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3717291
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Issue date Feb 20, 1973
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B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
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3133683
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Patent number 3,133,683
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Issue date May 19, 1964
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B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
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3103305
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Patent number 3,103,305
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Issue date Sep 10, 1963
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B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
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2647625
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Patent number 2,647,625
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Issue date Aug 4, 1953
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B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
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2501515
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Patent number 2,501,515
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B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
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2370699
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D05 - SEWING EMBROIDERING TUFTING
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1704474
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A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
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185864
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Patent number 185,864
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D05 - SEWING EMBROIDERING TUFTING