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David M. Sedgwick
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Charlotte, NC, US
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last 30 patents
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Patent Grant
Forms feed tractor having modified pin spacing
Patent number
5,018,887
Issue date
May 28, 1991
International Business Machines Corporation
Charles M. McCray
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
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Patent Grant
Printer having drive and control system for metal band holding prin...
Patent number
4,546,699
Issue date
Oct 15, 1985
International Business Machines Corporation
William D. Thorne
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS