Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5675967 | Method and arrangement for evaluating the operability of a catalytic converter | — | 1997-10-14 |
| 5619975 | Method for monitoring operations of an internal combustion engine to detect combustion misses | Peter Schmidt, Manfred Mezger, Walter Gollin, Arnd-Matthias Langner | 1997-04-15 |