Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5669334 | Injection valves for liquid-fuel mixtures and associated processes | Dieter Schonfeld, Martin Freitag, Torsten Guth | 1997-09-23 |
| 5517976 | Diesel engine equipped for reducing harmful substances in its operation | Hans Sudmanns, Ralph Schmidt | 1996-05-21 |