Issued Patents 1989
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4875557 | Brake play resetting device | Hans Drewitz, Manfred Krenner | 1989-10-24 |
| 4843907 | Hydromechanical power splitting transmission for vehicles | Hans Drewitz | 1989-07-04 |
| 4825722 | Hydromechanical transmission for motor vehicles | Hans Drewitz, Stefan Martini | 1989-05-02 |
| 4817987 | Structural element for supporting the chassis or superstructure of a motor vehicle on a wheel | Gerd Ruhmann | 1989-04-04 |
| 4796488 | Differential whose a ring gear is mounted in sound damping manner on its carrier | Franz Seethaler, Robert F. Zelinka, Manfred Stiglmaier | 1989-01-10 |