Ties Allersma

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Pittsburgh, PA, US

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Patents Grantslast 30 patents

Information Patent Grant
Strengthened translucent glass-ceramics and method of making
- Patent number 4,218,512
- Issue date Aug 19, 1980
- PPG Industries, Inc.
- Ties Allersma
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Grant
Phase separatable borosilicate glass compositions
- Patent number 3,972,720
- Issue date Aug 3, 1976
- PPG Industries, Inc.
- Joseph J. Hammel
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Grant
Thermally stable and crush resistant microporous glass catalyst sup...
- Patent number 3,972,721
- Issue date Aug 3, 1976
- PPG Industries, Inc.
- Joseph J. Hammel
- C03 - GLASS MINERAL OR SLAG WOOL