Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7754369 | Ink for producing membrane electrode assemblies for fuel cells | Karl-Anton Starz, Ralf Zuber, Knut Fehl, Joachim Köhler, Sandra Wittpahl | 2010-07-13 |
| 7147959 | Process for the manufacture of membrane-electrode-assemblies using catalyst-coated membranes | Joachim Köhler, Knut Fehl, Sandra Wittpahl, Klaus Schaack | 2006-12-12 |
| 6893761 | Process for producing a membrane electrode assembly and the membrane electrode assembly produced thereby | Joachim Köhler, Karl-Anton Starz, Knut Fehl, Armin Bayer | 2005-05-17 |