Issued Patents 2005
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6892529 | Exhaust-gas purification system for an internal combustion engine | Frank Duvinage, Christian Goerigk, Thomas Liebscher, Dieter Mainka, Siegfried Mueller-Lunz +1 more | 2005-05-17 |
| 6873901 | Method for operating an electronic controller of a motor vehicle | Bernd Christner, Frank Duvinage, Arno Nolte, Henning Sander | 2005-03-29 |