Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4938330 | Fluid-friction clutch with a compensating chamber for viscous fluid | Henning Wallentowitz, Bernd Hirschmiller | 1990-07-03 |
| 4794539 | Propulsion control using steering angle and vehicle speed to determine tolerance range | Henning Wallentowitz, Siegfried Neundorf, Wolfgang Kuhn, Karl-Eugen Laubacher | 1988-12-27 |