Andreas Wiese

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Bonn, DE

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Patents Grantslast 30 patents

Information Patent Grant
Method and device for testing the hardness of workpieces and device...
- Patent number 5,959,198
- Issue date Sep 28, 1999
- Heinz-Horst Pollok
- G01 - MEASURING TESTING
Information Patent Grant
Apparatus for testing hardness under load
- Patent number 5,092,175
- Issue date Mar 3, 1992
- Krautkramer GmbH & Co.
- Immo Winckler
- G01 - MEASURING TESTING