Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5167934 | Catalyzer installation for boat engines and method for catalytic exhaust gas cleaning | Rainer Wolf, Juergen Volz, Peter Burghardt | 1992-12-01 |
| 5066255 | Drive arrangement for a planing boat | — | 1991-11-19 |