Issued Patents 1989
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4873887 | Torsion-vibration damper | Rainer Andra, Gunter Ullrich, Udo Dorge | 1989-10-17 |
| 4872652 | Two chamber engine mount | Gerhard Rohner, Werner Idigkeit | 1989-10-10 |
| 4850244 | Flywheel | Hans-Gerd Eckel, Volker Grassmuck, Benno Jorg, Eberhard Sommer | 1989-07-25 |
| 4836515 | Two-chamber engine mount having variable disc stops and variable choke canal means | Rainer Franz, Werner Idigkeit, Hartmut Loschmann, Gerhard Rohner | 1989-06-06 |