William L. Walch

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Greensburg, PA, US

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Patents Grantslast 30 patents

Information Patent Grant
Abrasive flow machining apparatus and method
- Patent number 6,905,395
- Issue date Jun 14, 2005
- Extrude Hone Corporation
- William L. Walch
- B24 - GRINDING POLISHING
Information Patent Grant
High precision abrasive flow machining apparatus and method
- Patent number 6,500,050
- Issue date Dec 31, 2002
- Extrude Hone Corporation
- William L. Walch
- B24 - GRINDING POLISHING

Patents Applicationslast 30 patents

Information Patent Application
Abrasive flow machining apparatus and method
- Publication number 20040266320
- Publication date Dec 30, 2004
- William L. Walch
- B24 - GRINDING POLISHING
Information Patent Application
High precision abrasive flow machining apparatus and method
- Publication number 20020028633
- Publication date Mar 7, 2002
- William L. Walch
- B24 - GRINDING POLISHING