Wolfgang Zettl

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Mitterteich, DE

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Patents Grantslast 30 patents

Information Patent Grant
Glass composition formulated for a glass-metal bond of a tube colle...
- Patent number 8,178,451
- Issue date May 15, 2012
- Schott AG
- Erhard Dick
- F24 - HEATING RANGES VENTILATING

Patents Applicationslast 30 patents

Information Patent Application
Glass composition formulated for a glass-metal bond of a tube colle...
- Publication number 20100069221
- Publication date Mar 18, 2010
- Erhard Dick
- F24 - HEATING RANGES VENTILATING