Richard A. Kuntze

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Mississauga, CA

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Patents Grantslast 30 patents

Information Patent Grant
Sag-resistant gypsum board containing coal fly ash and method for m...
- Patent number 4,403,006
- Issue date Sep 6, 1983
- United States Gypsum Company
- Robert B. Bruce
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Grant
Method of heat treating chrysotile asbestos fibres
- Patent number 4,259,146
- Issue date Mar 31, 1981
- Ontario Research Foundation
- Roger W. Glass
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Grant
Heat treatment of chrysotile asbestos fibres
- Patent number 4,192,707
- Issue date Mar 11, 1980
- Ontario Research Foundation
- Roger W. Glass
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Grant
Production of improved chrysotile asbestos fibres
- Patent number 4,180,433
- Issue date Dec 25, 1979
- Ontario Research Foundation
- Roger W. Glass
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES