Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6131446 | Method and arrangement for diagnosing an exhaust-gas probe | Eberhard Schnaibel, Lothar Raff | 2000-10-17 |
| 5307625 | Method and arrangement for monitoring a lambda probe in an internal combustion engine | Erich Junginger, Lothar Raff, Eberhard Schnaibel | 1994-05-03 |