John Christoffel

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Gipf-Oberfrick, CH

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Patents Grantslast 30 patents

Information Patent Grant
Reaming tool with a guide shank
- Patent number 6,830,502
- Issue date Dec 14, 2004
- Dihart AG
- Otto Buettiker
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR

Patents Applicationslast 30 patents

Information Patent Application
Reaming tool with a guide shank
- Publication number 20030143050
- Publication date Jul 31, 2003
- Otto Buettiker
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR