Jeffrey L. Marietti

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Tarentum, 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
Combination flexible/rigid ring mold
- Patent number 5,649,990
- Issue date Jul 22, 1997
- PPG Industries, Inc.
- Robert G. Frank
- C03 - GLASS MINERAL OR SLAG WOOL