Alan G. Amrhein

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Fresno, CA, US

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Patents Grantslast 30 patents

Information Patent Grant
Melting glass with two stage NO.sub.x control
- Patent number 4,372,770
- Issue date Feb 8, 1983
- PPG Industries, Inc.
- John F. Krumwiede
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Grant
Method of melting flat glass using nitrates to suppress sulfurous e...
- Patent number 4,270,945
- Issue date Jun 2, 1981
- PPG Industries, Inc.
- Alan G. Amrhein
- C03 - GLASS MINERAL OR SLAG WOOL