Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5209706 | Rubber belt crawler chain | Utz Richter, Volker Kramer, Friedrich Depfenhart | 1993-05-11 |
| 4706901 | Propulsion unit suspension for vehicles, especially for propeller driven aircrafts | Ulrich von Broock | 1987-11-17 |