Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4811631 | Shifting method for hydrodynamic-mechanical transmission | Ernst-August Honig, Manfred Kalversberg, Gerd Oberpichler, Gottfried Hagemann, Dieter Schmidt | 1989-03-14 |
| 4454789 | Drive train for a vehicle | Ulrich Seiffert | 1984-06-19 |