Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7560663 | Electric heating module for heating air flow, in particular in automobiles | — | 2009-07-14 |
| 6737615 | Heat conductor coil for heating a flowing gaseous medium and electrical resistance heating element | Karl-Heinz Lange | 2004-05-18 |