Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8768546 | Method for controlling a railway vehicle | Ingo Lehmann, Michael Willmann | 2014-07-01 |
| 8271154 | Method for controlling a hybrid drive in a rail vehicle | Ingo Lehmann | 2012-09-18 |