John Wollseiffen

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Canby, OR, US

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Patents Grantslast 30 patents

Information Patent Grant
Slow speed spindle for micropunch grinding
- Patent number 8,231,429
- Issue date Jul 31, 2012
- Xerox Corporation
- Greg A. Hildebrand
- B24 - GRINDING POLISHING

Patents Applicationslast 30 patents

Information Patent Application
SLOW SPEED SPINDLE FOR MICROPUNCH GRINDING
- Publication number 20110053459
- Publication date Mar 3, 2011
- Xerox Corporation
- Greg A. Hildebrand
- B24 - GRINDING POLISHING