Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5182942 | Process and apparatus for utilization of fuels with alcohol additives for an internal combustion engine | Gunter Hartel, Armin Schurfeld, Karl-Heinrich Losing, Dieter Thonnesen | 1993-02-02 |
| 5159898 | Process and apparatus for utilization of fuels with alcohol additives for an internal combustion engine | Gunter Hartel, Armin Schurfeld, Karl-Henrich Losing, Dieter Thonnessen | 1992-11-03 |