John J. Spiwak

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Columbus, OH, US

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Patents Grantslast 30 patents

Information Patent Grant
Binder composition containing alcohol
- Patent number 4,226,626
- Issue date Oct 7, 1980
- Ashland Oil, Inc.
- Richard H. Toeniskoetter
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Mold and core wash
- Patent number 4,096,293
- Issue date Jun 20, 1978
- Ashland Oil, Inc.
- Michael J. Skubon
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Settable composition containing aluminum phosphate and method for p...
- Patent number 4,089,692
- Issue date May 16, 1978
- Ashland Oil, Inc.
- Richard H. Toeniskoetter
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Process for fabricating foundry shapes
- Patent number 4,070,195
- Issue date Jan 24, 1978
- Ashland Oil, Inc.
- Richard H. Toeniskoetter
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Method for coating sand cores and sand molds
- Patent number 4,001,468
- Issue date Jan 4, 1977
- Ashland Oil, Inc.
- Michael J. Skubon
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Method of casting non-ferrous alloys
- Patent number 3,968,828
- Issue date Jul 13, 1976
- Ashland Oil, Inc.
- Richard H. Toeniskoetter
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Binder compositions
- Patent number 3,930,872
- Issue date Jan 6, 1976
- Ashland Oil, Inc.
- Richard H. Toeniskoetter
- B22 - CASTING POWDER METALLURGY