James V. Halvorsen

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Springfield, VT, US

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Patents Grantslast 30 patents

Information Patent Grant
Radius dressing apparatus
- Patent number 5,003,730
- Issue date Apr 2, 1991
- Bryant Grinder Corporation
- James V. Halvorsen
- B24 - GRINDING POLISHING
Information Patent Grant
Radius dressing apparatus
- Patent number 4,805,585
- Issue date Feb 21, 1989
- Bryant Grinder Corporation
- James V. Halvorsen
- B24 - GRINDING POLISHING
Information Patent Grant
Combined bore seat face grinding, EDM and lapping method for finish...
- Patent number 4,721,839
- Issue date Jan 26, 1988
- Ex-Cell-O Corporation
- Victor F. Dzewaltowski
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Method of combining grinding and EDM operation for finishing fuel i...
- Patent number 4,703,142
- Issue date Oct 27, 1987
- Ex-Cell-O Corporation
- Victor F. Dzewaltowski
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Replaceable collet in double diaphragm chuck
- Patent number 4,211,425
- Issue date Jul 8, 1980
- Bryant Grinder Corporation
- James V. Halvorsen
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Replaceable collet in double diaphragm chuck
- Patent number 4,133,544
- Issue date Jan 9, 1979
- Grinder; Bryant
- James V. Halvorsen
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR