Issued Patents 2021
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11090905 | Pre-stressed glass roll | Angelika Ullmann, Georg Sparschuh, Holger Wegener, Jürgen Vogt, Rainer Schwertfeger +1 more | 2021-08-17 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11090905 | Pre-stressed glass roll | Angelika Ullmann, Georg Sparschuh, Holger Wegener, Jürgen Vogt, Rainer Schwertfeger +1 more | 2021-08-17 |