Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6322131 | Convertible vehicle with a rear window which can be lowered | Joachim Maass | 2001-11-27 |
| 6302470 | Convertible vehicle | Joachim Maass | 2001-10-16 |
| 5558389 | Retractable folding top for a convertible | Karl Rothe, Heiko Klemme | 1996-09-24 |