Issued Patents 2005
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6969492 | Exhaust-gas cleaning system with nitrogen oxide reduction and with the addition of reducing agent | Stefan Wessels | 2005-11-29 |
| 6892529 | Exhaust-gas purification system for an internal combustion engine | Frank Duvinage, Thomas Liebscher, Dieter Mainka, Siegfried Mueller-Lunz, Arno Nolte +1 more | 2005-05-17 |