Issued Patents 2004
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6799855 | External mirror on a motor vehicle | — | 2004-10-05 |
| 6745123 | Method and device for transmitting navigation information from data processing center to an on-board navigation system | Cornelius Hahlweg, Gerd Draeger, Ulrich Kersken | 2004-06-01 |
| 6701248 | Method of route planning in a navigation system | Cornelius Hahlweg, Gerd Draeger, Ulrich Kersken | 2004-03-02 |