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Compression-loaded plastic rotors
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Patent number 10,287,110
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Issue date May 14, 2019
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James W. Sigmon
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B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
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Spool valve assembly
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Patent number 4,270,575
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Issue date Jun 2, 1981
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Diemert; Paul M.
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Frank A. Reed
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B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
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3291536
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Patent number 3,291,536
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Issue date Dec 13, 1966
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B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
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3203738
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Patent number 3,203,738
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Issue date Aug 31, 1965
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B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL