Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8979693 | Method for the operation of a hybrid drive system and hybrid drive system comprising two sub-transmissions | — | 2015-03-17 |
| 8661941 | Hybrid drive system | Stefan Kohlhaas | 2014-03-04 |
| 7111604 | Connecting rod for an internal combustion engine | Michael Franke, Chou-Feng Lee | 2006-09-26 |