Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4788886 | Planetary transmission for two axles of a motor vehicle | Rainer Gross, Herbert Botzelmann, Hans Haller, Franz Buchwald | 1988-12-06 |
| 4730713 | Vehicle plate clutch | Juergen Pickard, Helmut G. Sandner, Reudiger Giesen | 1988-03-15 |
| 4718302 | Epicyclic distributor gear-box for driving two vehicle axles of a motor vehicle | Rainer Gross, Herbert Botzelmann, Hans Haller, Franz Buchwald | 1988-01-12 |