Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8263184 | Process for the production of an underlay for roofs | Rüdiger Laur, Jörn Schröer | 2012-09-11 |
| 7698858 | Membrane for the protection of buildings | Jörn Schröer, Heinz Peter Raidt | 2010-04-20 |