Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4886151 | Gearshifting device for a manually operated transmission for motor vehicles | Erich Muller | 1989-12-12 |
| 4817470 | Gear-shift mechanism for motor-vehicle multi-step transmissions with interruption of traction | Erich Muller, Wolfgang Rienecker | 1989-04-04 |