Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6692090 | Method of maintaining the effect of the engine brake | Martin Kümmel, Thomas Corell | 2004-02-17 |
| 5494344 | Cornering identification method | Ralph Gronau, Gunther Buschmann, Thomas Striegel | 1996-02-27 |