Richard H. Smoak

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Lewiston, NY, US

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Patents Grantslast 30 patents

Information Patent Grant
Method of producing a high density silicon carbide product
- Patent number 4,237,085
- Issue date Dec 2, 1980
- The Carborundum Company
- Richard H. Smoak
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Grant
Method of producing high density silicon carbide product
- Patent number RE30286
- Issue date May 27, 1980
- The Carborundum Company
- John A. Coppola
- 264 - Plastic and nonmetallic article shaping or treating: processes
Information Patent Grant
Pressureless sintering beryllium containing silicon carbide powder...
- Patent number 4,172,109
- Issue date Oct 23, 1979
- The Carborundum Company
- Richard H. Smoak
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Grant
Method of producing high density silicon carbide product
- Patent number 4,080,415
- Issue date Mar 21, 1978
- The Carborundum Company
- John A. Coppola
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES