Karl D. Scheffer

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Scotia, NY, US

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Patents Grantslast 30 patents

Information Patent Grant
System and process for the abatement of casting pollution, reclaimi...
- Patent number 4,457,352
- Issue date Jul 3, 1984
- Karl D. Scheffer
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
System and process for abatement of casting pollution, reclaiming r...
- Patent number 4,325,424
- Issue date Apr 20, 1982
- Karl D. Scheffer
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Catalyst for curing resins
- Patent number 4,178,429
- Issue date Dec 11, 1979
- Karl D. Scheffer
- B22 - CASTING POWDER METALLURGY