Issued Patents 1982
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4364339 | Internal combustion engine with cooling system | Ludwig Fricker | 1982-12-21 |
| 4343149 | Soot filter in the exhaust gas stream of air-compressing internal combustion engines | Hans-Dieter Schuster, Hans-Joachim Langer, Rolf Gabler | 1982-08-10 |