David F. Lewin

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Amarillo, TX, US

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Patents Grantslast 30 patents

Information Patent Grant
Method of using evenly distributed air flow to condition glass fila...
- Patent number 4,886,536
- Issue date Dec 12, 1989
- Owens-Corning Fiberglas Corporation
- David F. Lewin
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Grant
Size composition
- Patent number 4,716,080
- Issue date Dec 29, 1987
- Owens-Corning Fiberglass Corporation
- David F. Lewin
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Grant
Size composition
- Patent number 4,694,034
- Issue date Sep 15, 1987
- Owens-Corning Fiberglas Corporation
- David F. Lewin
- C03 - GLASS MINERAL OR SLAG WOOL