Karl-Heinz Bergen

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Filderstadt, DE

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Patents Grantslast 30 patents

Information Patent Grant
Method of finishing a surface of a workpiece
- Patent number 5,441,439
- Issue date Aug 15, 1995
- Maschinenfabrik Gehring GmbH & Co.
- Hans Grimm
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Process for honing bores and a honing machine for performing the pr...
- Patent number 5,095,662
- Issue date Mar 17, 1992
- Maschinenfabrik Gehring GmbH & Co.
- Hans Grimm
- G05 - CONTROLLING REGULATING