Issued Patents 2011
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8057713 | Method for the production of nickel oxide surfaces having increase conductivity | Roland Beckmann, Karl-Heinz Dulle, Peter Woltering, Randolf Kiefer, Frank Holthuis +3 more | 2011-11-15 |
| 7918974 | Micro-structured insulating frame for electrolysis cell | Ulf-Steffen Bäumer, Randolf Kiefer, Karl-Heinz Dulle, Stefan Oelmann, Peter Woltering | 2011-04-05 |