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3788451
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Patent number 3,788,451
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Issue date Jan 29, 1974
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B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
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3788450
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Patent number 3,788,450
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Issue date Jan 29, 1974
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B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
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3690439
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Patent number 3,690,439
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Issue date Sep 12, 1972
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B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
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3690441
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Patent number 3,690,441
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Issue date Sep 12, 1972
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B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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3664491
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Patent number 3,664,491
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Issue date May 23, 1972
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B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
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3608700
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Patent number 3,608,700
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Issue date Sep 28, 1971
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B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL