Ronald A. Harrison

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Cranston, RI, US

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Patents Grantslast 30 patents

Information Patent Grant
Apparatus for quenching substantially flat workpieces
- Patent number 4,573,667
- Issue date Mar 4, 1986
- C. I. Hayes Inc.
- Herbert W. Westeren
- C21 - METALLURGY OF IRON
Information Patent Grant
Continuous heat treating vacuum furnace
- Patent number 4,118,016
- Issue date Oct 3, 1978
- C. I. Hayes Inc.
- Herbert W. Westeren
- C21 - METALLURGY OF IRON