Issued Patents 2004
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6777116 | Direct dimethyl ether fuel cells | Jens Müller, Regina Wezel, Kevin Colbow, Jiujun Zhang | 2004-08-17 |
| 6755955 | Catalytic converter and method for producing a catalytic converter | Hubertus Biegert, Gabriele Stäb, Gabor Toth | 2004-06-29 |
| 6706435 | Fuel cell with polymer electrolyte membrane | Hubertus Biegert, Peter Britz, Arnold Lamm, Gabor Toth | 2004-03-16 |