Chris G. Klapheke

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Gibsonia, PA, US

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Patents Grantslast 30 patents

Information Patent Grant
Method for producing silicon-chromium grain orieted electrical steel
- Patent number 5,702,539
- Issue date Dec 30, 1997
- Armco Inc.
- Jerry W. Schoen
- C21 - METALLURGY OF IRON
Information Patent Grant
Hot working method for producing grain oriented silicon steel with...
- Patent number 4,898,628
- Issue date Feb 6, 1990
- Armco Advanced Materials Corporation
- Wayne F. Block
- C21 - METALLURGY OF IRON