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Donald R. Lehmbeck
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Penfield, NY, US
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last 30 patents
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Patent Grant
System and method of tonal correction of independent regions on a c...
Patent number
6,175,427
Issue date
Jan 16, 2001
Xerox Corporation
Donald R. Lehmbeck
G06 - COMPUTING CALCULATING COUNTING
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Patent Grant
Digital image proofing
Patent number
4,941,057
Issue date
Jul 10, 1990
Xerox Corporation
Donald R. Lehmbeck
H04 - ELECTRIC COMMUNICATION TECHNIQUE
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Patent Grant
Capacitive paper property sensor for copying apparatus
Patent number
4,610,530
Issue date
Sep 9, 1986
Xerox Corporation
Donald R. Lehmbeck
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY