Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7407728 | Alkaline cell or battery | Wolffried Wenneis, Harald Hoffmann, Hartwig Hocker, Helmut Keul | 2008-08-05 |
| 6630269 | Fuel cell | Thomas Barth, Klaus P. Kaspar | 2003-10-07 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7407728 | Alkaline cell or battery | Wolffried Wenneis, Harald Hoffmann, Hartwig Hocker, Helmut Keul | 2008-08-05 |
| 6630269 | Fuel cell | Thomas Barth, Klaus P. Kaspar | 2003-10-07 |