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Roll holder with retention member
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Patent number 4,783,016
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Issue date Nov 8, 1988
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Minnesota Mining and Manufacturing Company
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Daniel L. Pool
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B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
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Paper converting machine
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Patent number 4,695,006
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Issue date Sep 22, 1987
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Minnesota Mining and Manufacturing
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Daniel L. Pool
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B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
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Masking machine
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Patent number 4,667,891
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Issue date May 26, 1987
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Minnesota Mining and Manufacturing Co.
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Daniel L. Pool
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B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
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Masking machine
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Patent number 4,379,019
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Issue date Apr 5, 1983
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Daniel L. Pool
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B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL