Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5647205 | Process for checking the conversion capability of a catalyst | Stefan Treinies, Alexander Ketterer | 1997-07-15 |
| 5616858 | Diagnostic method for recognizing combustion misfiring in an internal-combustion engine | Anton Angermeier | 1997-04-01 |