Issued Patents 2011
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8067131 | Contact device and fuel cell stack or fuel cell block comprising one such contact device | Albert Hammerschmidt, Arno Mattejat, Igor Mehltretter | 2011-11-29 |
| 7862955 | Electrolytic cell or fuel cell with pressure pads and improved transfer resistance | Josef Lersch, Arno Mattejat | 2011-01-04 |