Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9290986 | Insulating glazing having a pressure-equalizing element | Guenther Kotowski, Walter Schreiber | 2016-03-22 |
| 9169687 | Insulating glazing with thermal protection insulating panel | Walter Schreiber | 2015-10-27 |