Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5666925 | Method and arrangement for diagnosing a tank-venting system | Helmut Denz, Ernst Wild, Andreas Blumenstock | 1997-09-16 |
| 5616835 | System for operating a heating element for a ceramic sensor in a motor vehicle | Eberhard Schnaibel, Erich Schneider, Konrad Henkelmann, Frank Blischke | 1997-04-01 |