Issued Patents 2005
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6875962 | Electric heating system for a motor vehicle | Steffen Geiger, Thomas Alban, Thomas Giffels, Dirk Wenske, Andreas Hamburger +1 more | 2005-04-05 |
| 6872922 | Method for operating a multi-stage electrical heater comprised of several heating elements | — | 2005-03-29 |