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3700089
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Patent number 3,700,089
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Issue date Oct 24, 1972
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B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
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3633428
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Patent number 3,633,428
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Issue date Jan 11, 1972
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B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
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2909271
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Patent number 2,909,271
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Issue date Oct 20, 1959
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B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
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2784835
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Patent number 2,784,835
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Issue date Mar 12, 1957
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B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
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2711816
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Patent number 2,711,816
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Issue date Jun 28, 1955
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B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
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2400667
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Patent number 2,400,667
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Issue date May 21, 1946
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B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
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2264332
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Patent number 2,264,332
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Issue date Dec 2, 1941
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B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL