Bert K. Krushinski

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Murraysville, PA, US

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Patents Grantslast 30 patents

Information Patent Grant
Compressed, wedged float glass bottom structure
- Patent number 5,007,950
- Issue date Apr 16, 1991
- PPG Industries, Inc.
- Bert K. Krushinski
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Grant
Heating vessel lid construction for a glass melting furnace
- Patent number 4,704,155
- Issue date Nov 3, 1987
- PPG Industries, Inc.
- Joseph M. Matesa
- C03 - GLASS MINERAL OR SLAG WOOL