Issued Patents 2002
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6472645 | Air heating device | — | 2002-10-29 |
| 6402943 | Diesel filter system | — | 2002-06-11 |
| 6392207 | Electric heating device, especially for use in motor vehicles | Klaus Beetz | 2002-05-21 |