William R. Keough

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Birmingham, MI, US

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Patents Grantslast 30 patents

Information Patent Grant
Combination sand cleaning and heat treating apparatus for sand cast...
- Patent number 5,253,698
- Issue date Oct 19, 1993
- Applied Process
- John R. Keough
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Expendable cap device to minimize dross inclusions in the vacuum ca...
- Patent number 4,949,774
- Issue date Aug 21, 1990
- Atmosphere Group
- John R. Keough
- B22 - CASTING POWDER METALLURGY