Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12403799 | Suspension device, backrest and seat arrangement | Thomas Jung, Christian Markel, Ulf Schaeffling | 2025-09-02 |
| 6679088 | Locking arrangement | Marc Hartel | 2004-01-20 |
| 6619083 | Locking arrangement | Marc Hartel | 2003-09-16 |