Richard A. Driggett Sr.

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Elgin, IL, US

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Patents Grantslast 30 patents

Information Patent Grant
High Strength composite materials
- Patent number 5,902,755
- Issue date May 11, 1999
- Tox-Wastech, Inc.
- Richard A. Driggett
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Grant
High strength acid stable composite materials
- Patent number 5,624,744
- Issue date Apr 29, 1997
- Tox-Wastech, Inc.
- Richard A. Driggett
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES