William M. Schuller

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Lexington, KY, US

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Patents Grantslast 30 patents

Information Patent Grant
Proportional vertical and horizontal ribbon tracking for impact pri...
- Patent number 4,606,661
- Issue date Aug 19, 1986
- International Business Machines Corporation
- Charles S. Aldrich
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS