Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6892529 | Exhaust-gas purification system for an internal combustion engine | Frank Duvinage, Christian Goerigk, Thomas Liebscher, Dieter Mainka, Arno Nolte +1 more | 2005-05-17 |