Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6810658 | Exhaust-gas purification installation and exhaust-gas purification method for purifying an exhaust gas from an internal combustion engine | Joerg Strauhs, Norbert Wiesheu | 2004-11-02 |
| 6698190 | Device and method for cleansing exhaust gas | Andreas Docter, Bernd Krutzsch, Arnold Lamm, Bernhard Vogel, Steffen Wieland | 2004-03-02 |