William A. Berman

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Honolulu, HI, US

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Patents Grantslast 30 patents

Information Patent Grant
In-situ machine for refurbishing a bore in a workpiece
- Patent number 4,580,931
- Issue date Apr 8, 1986
- The United States of America as represented by the Secretary of the Navy
- John F. Wilger
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Portable surfacing machine for boiler manhole
- Patent number 4,513,542
- Issue date Apr 30, 1985
- The United States of America as represented by the Secretary of the Navy
- John F. Wilger
- B24 - GRINDING POLISHING