Issued Patents 2011
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8067131 | Contact device and fuel cell stack or fuel cell block comprising one such contact device | Albert Hammerschmidt, Herbert Hartnack, Arno Mattejat | 2011-11-29 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8067131 | Contact device and fuel cell stack or fuel cell block comprising one such contact device | Albert Hammerschmidt, Herbert Hartnack, Arno Mattejat | 2011-11-29 |