Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6820415 | Method for operating an internal combustion engine using exhaust gas purification system, and internal combustion engine | Oliver Abet, Holger Adler, Thomas Liebscher, Michel Weibel | 2004-11-23 |
| 6766642 | Exhaust-gas aftertreatment device with nitrogen oxide storage catalytic converter, and operating method therefor | Klaus Binder, Josef Gunther, Andreas Hertzberg, Bernd Krutzsch, Heinz-Jost Ölschlegel +6 more | 2004-07-27 |