Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6810657 | Method and device for treating exhaust gases produced by an internal combustion engine | Horst Harndorf | 2004-11-02 |
| 6718928 | Method for starting a multi-cylinder internal combustion engine | Gerhard Brueggen, Udo Sieber | 2004-04-13 |