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Signature machines
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Patent number 4,989,850
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Issue date Feb 5, 1991
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Ronald W. Weller
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B42 - BOOKBINDING ALBUMS FILES SPECIAL PRINTED MATTER
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Signature machines
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Patent number 4,549,730
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Issue date Oct 29, 1985
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McCain Manufacturing Corporation
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Ronald W. Weller
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B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
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Varying the drop of sheets into a hopper
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Patent number 4,180,259
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Issue date Dec 25, 1979
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McCain Manufacturing Co.
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Elmer Bewersdorf
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B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
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Sheet feeders
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Patent number 4,177,982
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Issue date Dec 11, 1979
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McCain Manufacturing Corporation
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Elmer Bewersdorf
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B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
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