Raymond E. Richards

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Willoughby, OH, US

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Patents Grantslast 30 patents

Information Patent Grant
Metallurgical panel structure
- Patent number 4,938,456
- Issue date Jul 3, 1990
- Raymond E. Richards
- C21 - METALLURGY OF IRON
Information Patent Grant
Membrane cooling system for metallurgical furnace
- Patent number 4,458,351
- Issue date Jul 3, 1984
- Raymond E. Richards
- F27 - FURNACES KILNS OVENS RETORTS
Information Patent Grant
Metallurgical cooling panel
- Patent number 3,938,789
- Issue date Feb 17, 1976
- Raymond E. Richards
- C21 - METALLURGY OF IRON