Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6854291 | Method for nozzle-injection of gas into molten glass | Hildegard Römer, Paul Kissl, Thomas Kirsch | 2005-02-15 |
| 6380112 | Short flint special glasses | Uwe Kolberg, Ute Wölfel, Magdalena Winkler-Trudewig | 2002-04-30 |