Joseph O. Duchac

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Rhinelander, WI, US

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Patents Grantslast 30 patents

Information Patent Grant
Fixture for resurfacing vehicle brake discs
- Patent number 4,388,846
- Issue date Jun 21, 1983
- William L. Kopecko
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Fixture for resurfacing vehicle brake discs
- Patent number 4,336,730
- Issue date Jun 29, 1982
- William L. Kopecko
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR