William D. Pittman

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Ruskin, FL, US

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Patents Grantslast 30 patents

Information Patent Grant
Acoustical mineral fiberboard
- Patent number 5,071,511
- Issue date Dec 10, 1991
- The Celotex Corporation
- William D. Pittman
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Grant
Method of wet-forming mineral fiberboard with formation of fiber no...
- Patent number 4,911,788
- Issue date Mar 27, 1990
- The Celotex Corporation
- William D. Pittman
- B28 - WORKING CEMENT, CLAY, OR STONE