Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9186527 | Rappelling device | Dirk Bergmann | 2015-11-17 |
| 8691468 | Fuel cell stack, and method for the production of a fuel cell stack | Stefan Kading, Jens Hafemeister, Gregor Holstermann | 2014-04-08 |