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Paul O. Amdahl
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Granada Hills, CA, US
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last 30 patents
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Patent Grant
Microprocessor-controlled meter package for a printer
Patent number
4,930,101
Issue date
May 29, 1990
Dataproducts Corporation
Yuen W. Wong
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
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Patent Grant
Uniform print density and registration in an impact printer
Patent number
4,806,031
Issue date
Feb 21, 1989
Dataproducts Corporation
Paul O. Amdahl
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS