Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4883156 | Torsion damping device for a disc type friction clutch for an automobile vehicle | Dieter Rohrle, Philippe Lhermitte | 1989-11-28 |
| 4860871 | Clutch friction disc with predamper | Alain Jochun | 1989-08-29 |