Issued Patents 2003
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6645367 | Method for determining a nitrogen oxide concentration | Hong Zhang | 2003-11-11 |
| 6588251 | Method for checking the dynamic behavior of a measuring sensor in the exhaust tract of an internal combustion engine | Hong Zhang, Corinna Pfleger | 2003-07-08 |
| 6558520 | Circuit configuration for generating a virtual ground | Markus Amtmann, Stephan Bolz | 2003-05-06 |