Issued Patents 2005
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6896990 | Device for connecting at least two fuel cell batteries and correspondingly connected plant | Arno Mattejat | 2005-05-24 |
| 6849351 | Low-temperature fuel cell | Herbert Hartnack, Josef Lersch, Arno Mattejat | 2005-02-01 |