Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5159898 | Process and apparatus for utilization of fuels with alcohol additives for an internal combustion engine | Gunter Hartel, Armin Schurfeld, Dieter Thonnessen, Ulrich Remde | 1992-11-03 |