Johannes Christoffel

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Gipf-Oberfrick, CH

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Patents Grantslast 30 patents

Information Patent Grant
Tool holder
- Patent number 4,776,734
- Issue date Oct 11, 1988
- Dihart AG
- Otto Buettiker
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Reamer
- Patent number 4,705,435
- Issue date Nov 10, 1987
- Dihart AG
- Johannes Christoffel
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR