Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7348093 | Fuel cell stack | Franz-Josef Wetzel, Xiaofeng Yan, Thomas Hoefler, Bernd Kuhn, Andreas Stoermer +1 more | 2008-03-25 |
| 7261969 | Fuel cell having a perforated foil distributing the fuel gas over the electrode surface | Franz-Josef Wetzel, Xiaofeng Yan, Thomas Hoefler, Bernd Kuhn, Andreas Stoermer +1 more | 2007-08-28 |