Issued Patents 2005
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6924751 | Method for transmitting digitally encoded traffic messages | Karin Hempel | 2005-08-02 |
| 6861960 | Method for transmitting traffic information about a traffic obstruction | Bernd Hessing | 2005-03-01 |