Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8178451 | Glass composition formulated for a glass-metal bond of a tube collector and glass-metal bond made with glass of said glass composition | Erhard Dick, Wolfgang Zettl, Stephan Tratzky | 2012-05-15 |
| 6871514 | Method of making glass, a method and device for the control and setting of the redox state of redox fining agents in a glass melt | Wolfgang Muschik, Hildegard Römer, Rainer Eichholz, Paul Kissl, Reinhard Zintl | 2005-03-29 |