Issued Patents 2002
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6447660 | Circuit configuration for controlling a pump current of an exhaust probe in a motor vehicle | Markus Amtmann, Stephan Bolz | 2002-09-10 |
| 6372120 | Method for determining a nitrogen oxide concentration | Hong Zhang | 2002-04-16 |
| 6347277 | Method and device for calibrating a probe system | Markus Amtmann, Stephan Bolz | 2002-02-12 |