Steven L. Campbell

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Middletown, OH, US

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Patents Grantslast 30 patents

Information Patent Grant
In-situ conditioning of a strip casting roll
- Patent number 5,651,413
- Issue date Jul 29, 1997
- Armco Inc.
- Robert S. Williams
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Method and apparatus for planar drag strip casting
- Patent number 5,063,989
- Issue date Nov 12, 1991
- Armco Inc.
- John C. Powell
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Electronic gap sensor and method
- Patent number 5,036,901
- Issue date Aug 6, 1991
- Armco Inc.
- Robert S. Williams
- B22 - CASTING POWDER METALLURGY