Issued Patents 2017
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9656210 | Internal combustion engine | Meike Wittrock, Ulf Klein | 2017-05-23 |
| 9561470 | Method for the purification of diesel engine exhaust gases | Meike Wittrock, Ulf Klein | 2017-02-07 |