Helmut Wiacker

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Hilden, DE

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Patents Grantslast 30 patents

Information Patent Grant
Process and device for detecting and evaluating surface cracks in w...
- Patent number 5,047,851
- Issue date Sep 10, 1991
- Isotopen-Technik Dr. Sauerwein GmbH
- Kurt Sauerwein
- G01 - MEASURING TESTING
Information Patent Grant
Process and device for producing a radiographic image
- Patent number 4,975,934
- Issue date Dec 4, 1990
- Dr. Kurt Sauerwein
- Kurt Sauerwein
- G01 - MEASURING TESTING