Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6716551 | Abraded fluid diffusion layer for an electrochemical fuel cell | Volker Peinecke, Jorg von der Osten-Fabeck, Herwig Haas | 2004-04-06 |
| 6713424 | Method of making fluid diffusion layers and electrodes having reduced surface roughness | Jürgen Stumper, Herwig Haas, Kelvin Fong | 2004-03-30 |