J. Donald Harris

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Beamsville, CA

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Patents Grantslast 30 patents

Information Patent Grant
Process for making a pitch impregnated, cold molded refractory article
- Patent number 4,071,593
- Issue date Jan 31, 1978
- General Refractories Company
- Grant M. Farrington
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Grant
Pitch water soluble resin and alkyd resin as binder composition for...
- Patent number 4,017,433
- Issue date Apr 12, 1977
- General Refractories Company
- Grant M. Farrington
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES