Charles J. Petrosky

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Greensburg, PA, US

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Patents Grantslast 30 patents

Information Patent Grant
Apparatus and method for polishing drill bits
- Patent number 7,753,760
- Issue date Jul 13, 2010
- Kennametal Inc.
- Charles J. Petrosky
- B24 - GRINDING POLISHING

Patents Applicationslast 30 patents

Information Patent Application
APPARATUS AND METHOD FOR POLISHING DRILL BITS
- Publication number 20090253356
- Publication date Oct 8, 2009
- Charles J. Petrosky
- B24 - GRINDING POLISHING