Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6638656 | PEM fuel cell and process for its production | Wolfgang Kloke | 2003-10-28 |
| 6587766 | Method for controlling the power of a fuel cell stack, method for controlling the power of a drive unit of an electric vehicle, and fuel cell device | — | 2003-07-01 |