Charles H. Schwarb

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Lake Orion, MI, US

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Patents Grantslast 30 patents

Information Patent Grant
Apparatus and method for making mineral wool from coal-ash
- Patent number 4,969,940
- Issue date Nov 13, 1990
- Charles H. Schwarb
- F27 - FURNACES KILNS OVENS RETORTS
Information Patent Grant
Method of casting metals with integral heat exchange piping
- Patent number 4,865,112
- Issue date Sep 12, 1989
- Schwarb Foundry Company
- Charles H. Schwarb
- B22 - CASTING POWDER METALLURGY