Mario J. Bonapace

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Spring Valley, CA, US

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Patents Grantslast 30 patents

Information Patent Grant
Automatic rotation knife sharpener
- Patent number 7,857,681
- Issue date Dec 28, 2010
- Mario J. Bonapace
- B24 - GRINDING POLISHING

Patents Applicationslast 30 patents

Information Patent Application
AUTOMATIC ROTATION KNIFE SHARPENER
- Publication number 20090275272
- Publication date Nov 5, 2009
- Mario J. Bonapace
- B24 - GRINDING POLISHING