Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6872480 | Method for operating a fuel cell battery | Martin Keller | 2005-03-29 |
| 6682836 | Method for the operation of a fuel cell battery comprising a control system | Thomas Gamper, Philip Holoch | 2004-01-27 |