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Skew detector
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Patent number 4,201,378
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Issue date May 6, 1980
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Bell & Howell Company
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Kenneth A. Hams
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B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
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Document sorter
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Patent number 4,172,525
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Issue date Oct 30, 1979
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Bell & Howell Company
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Kenneth A. Hams
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B07 - SEPARATING SOLIDS FROM SOLIDS SORTING
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Document counter
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Patent number D252074
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Issue date Jun 12, 1979
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Bell & Howell Company
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Kenneth A. Hams
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D10 - Measuring, testing, or signalling instruments
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Automated in-line mailing system
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Patent number 4,034,973
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Issue date Jul 12, 1977
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Bell & Howell Company
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Kenneth A. Hams
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B07 - SEPARATING SOLIDS FROM SOLIDS SORTING