Issued Patents 1982
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4347113 | Oxygen content exhaust gas sensor, and method of its manufacture | Hermann Fischer, Karl-Hermann Friese, Hans-Ulrich Gruber, Gunter Knoll, Ernst Linder +5 more | 1982-08-31 |