Issued Patents 2004
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6696186 | Humidifying device for a fuel cell, method for humidifying a fuel cell membrane and fuel cell | Wolfgang Herdeg, Holger Klos, Martin Sattler, Sabine Hess, Hans-Dieter Wilhelm +3 more | 2004-02-24 |