Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6714862 | Navigation method and a navigation system for determining a route for a means of transport moving from starting point to a destination | Stefan Lau, Ralf Hoffmann | 2004-03-30 |
| 6711498 | Method for operating a navigation system for a vehicle | Stefan Lau, Ralf Hoffmann | 2004-03-23 |