David B. Rayburn

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Vandergrift, PA, US

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Patents Grantslast 30 patents

Information Patent Grant
Pressure forming of glass sheets
- Patent number 5,769,919
- Issue date Jun 23, 1998
- PPG Industries, Inc.
- George R. Claassen
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Grant
Pressure forming of glass sheets
- Patent number 5,669,952
- Issue date Sep 23, 1997
- PPG Industries, Inc.
- George R. Claassen
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Grant
Glass shaping ring having a thermal insulating member and method of...
- Patent number 4,983,200
- Issue date Jan 8, 1991
- PPG Industries, Inc.
- Thomas J. Reese
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Grant
Method and apparatus to reduce tip curl of a glass sheet on a bendi...
- Patent number 4,626,267
- Issue date Dec 2, 1986
- PPG Industries, Inc.
- Thomas J. Reese
- C03 - GLASS MINERAL OR SLAG WOOL