Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6569554 | Fuel cell battery with a stack of planar cells | Emad El Batawi | 2003-05-27 |
| 6432567 | Fuel cell battery with afterburning at the periphery of a cell stack | Martin Keller | 2002-08-13 |