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 | Herbert Hartnack, Arno Mattejat, Igor Mehltretter | 2011-11-29 |
| 8021797 | Bipolar plate and fuel cell comprising such a bipolar plate | — | 2011-09-20 |