David J. Messina

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Johnson City, TN, US

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Patents Grantslast 30 patents

Information Patent Grant
Mixture for use in vacuum forming articles of ceramic fibers
- Patent number 6,133,181
- Issue date Oct 17, 2000
- Bryce T. Wentworth
- F24 - HEATING RANGES VENTILATING
Information Patent Grant
Pumpable ceramic fiber composition
- Patent number 5,268,031
- Issue date Dec 7, 1993
- Premier Refractories & Chemicals Inc.
- Perry B. Lassiter
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES