Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8945358 | Electrolysis cell | Peter Woltering, Karl-Heinz Dulle, Randolf Kiefer, Stefan Oelmann | 2015-02-03 |
| 7918974 | Micro-structured insulating frame for electrolysis cell | Randolf Kiefer, Karl-Heinz Dulle, Stefan Oelmann, Peter Woltering, Wolfram Stolp | 2011-04-05 |