Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8806851 | Method for reducing emission of nitrogen oxide in a motor vehicle having a lean burning internal combustion engine | Berthold Keppeler, Jochen Lahr, Markus Paule, Anke Traebert, Nicole Werquet +1 more | 2014-08-19 |