Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6815114 | Membrane electrode unit for fuel cells and the like | Henrik Colell, Christian Leu | 2004-11-09 |
| 6756147 | Membrane electrode unit comprising an integrated sealing edge | Frank Mai | 2004-06-29 |