Robert W. McKinney

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Palm Coast, FL, US

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Patents Grantslast 30 patents

Information Patent Grant
Vermiculite composition with improved thermal expansion properties
- Patent number 5,340,558
- Issue date Aug 23, 1994
- W. R. Grace & Co.-Conn.
- Semyon D. Friedman
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Grant
Vermiculite composition with improved chemical exfoliation
- Patent number 5,326,500
- Issue date Jul 5, 1994
- W. R. Grace & Co.-Conn.
- Semyon D. Friedman
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES