Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7351317 | Electrolytic cell comprising an interior trough | Karl-Heinz Dulle, Peter Woltering, Frank Funck, Martin Wollny, Randolf Kiefer +4 more | 2008-04-01 |
| 7226885 | Method for producing gas diffusion electrodes | Torsten Dresel, Peter Woltering, Roland Beckmann, Thomas Steinmetz, Randolf Kiefer +3 more | 2007-06-05 |