Fred J. Waldmann

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Loveland, OH, US

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Patents Grantslast 30 patents

Information Patent Grant
Cryogenic treatment of silicon nitride tool and machine parts
- Patent number 6,164,079
- Issue date Dec 26, 2000
- Christian Clark Waldmann
- C21 - METALLURGY OF IRON
Information Patent Grant
Cryogenic and heat process for treating sintered carbide metals to...
- Patent number 6,141,974
- Issue date Nov 7, 2000
- Christian Clark Waldmann
- B22 - CASTING POWDER METALLURGY