Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5669334 | Injection valves for liquid-fuel mixtures and associated processes | Bernhard Bachle, Martin Freitag, Torsten Guth | 1997-09-23 |
| 5607010 | Process for cooling diesel engine exhaust gases | Ralph Schmidt | 1997-03-04 |