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Jam-sensing system and apparatus
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Patent number 4,249,080
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Issue date Feb 3, 1981
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Pitney Bowes Inc.
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Wayne W. Pritchett
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B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
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A.C./D.C. Solenoid drive circuit
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Patent number 4,197,444
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Issue date Apr 8, 1980
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Pitney-Bowes, Inc.
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Wayne W. Pritchett
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G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
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Document jam detector for copier
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Patent number 4,022,460
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Issue date May 10, 1977
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Pitney-Bowes, Inc.
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Wayne W. Pritchett
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B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL