Clement E. Valchar

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Lower Burrell, PA, US

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Patents Grantslast 30 patents

Information Patent Grant
Method for making a dimensionally stable green ceramic sheet
- Patent number 5,207,968
- Issue date May 4, 1993
- Aluminum Company of America
- Frankie E. Phelps
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Grant
Selective black coating for aluminum
- Patent number 3,971,674
- Issue date Jul 27, 1976
- Aluminum Company of America
- James L. Brandt
- F24 - HEATING RANGES VENTILATING