James V. Keefe

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Park Ridge, IL, US

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Patents Grantslast 30 patents

Information Patent Grant
Multilevel grinding apparatus
- Patent number 5,134,807
- Issue date Aug 4, 1992
- Speedfam Corporation
- James V. Keefe
- B24 - GRINDING POLISHING
Information Patent Grant
Multilevel grinding apparatus and method
- Patent number 4,821,459
- Issue date Apr 18, 1989
- Speedfam Corporation
- James V. Keefe
- B24 - GRINDING POLISHING