J. Thomas Smith

Follow

Person

Acton, MA, US

People

Patents Grantslast 30 patents

Information Patent Grant
Silicon nitride based ceramics and method
- Patent number 4,603,116
- Issue date Jul 29, 1986
- GTE Laboratories Incorporated
- J. Thomas Smith
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Grant
Sintered silicon nitride ceramic articles having surface layers of...
- Patent number 4,400,427
- Issue date Aug 23, 1983
- GTE Laboratories Incorporated
- Anthony P. Moschetti
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Grant
Method of producing dense silicon nitride ceramic articles having c...
- Patent number 4,383,958
- Issue date May 17, 1983
- GTE Laboratories Incorporated
- Anthony P. Moschetti
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Grant
Oxidation resistant silicon nitride containing rare earth oxide
- Patent number 4,350,771
- Issue date Sep 21, 1982
- GTE Laboratories Incorporated
- J. Thomas Smith
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Grant
S13N4 Having high temperature strength and method
- Patent number 4,280,850
- Issue date Jul 28, 1981
- GTE Laboratories, Incorporated
- J. Thomas Smith
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES