James A. Derkacy

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Pittsburgh, PA, US

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Patents Grantslast 30 patents

Information Patent Grant
Incorporating partially sintered preforms in metal matrix composites
- Patent number 5,775,403
- Issue date Jul 7, 1998
- Aluminum Company of America
- M. K. Premkumar
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
High impact resistant ceramic composite
- Patent number 5,032,550
- Issue date Jul 16, 1991
- Aluminum Company of America
- James A. Derkacy
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES