Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6519935 | Device and method for exhaust-gas aftertreatment in an internal-combustion engine | — | 2003-02-18 |
| 6513323 | Valve seat device for a metering valve of an exhaust treatment station | Gerhard Wissler | 2003-02-04 |