Issued Patents 2011
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7883818 | Process for producing proton-conducting polymer membranes, improved polymer membranes and the use thereof in fuel cells | Joachim Kiefer, Oemer Uensal, Gordon Calundann, Ursula Leister, Edmund Thiemer +1 more | 2011-02-08 |