Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6339370 | Automatic emergency call system for motor vehicles | Hans-Wilhelm Ruhl | 2002-01-15 |
| 6163751 | Navigation system for a vehicle | — | 2000-12-19 |
| 6127969 | Navigation system and method for outputting direction information from the navigation system | — | 2000-10-03 |
| 5767796 | Navigation system for a vehicle | Lutz Hofmann | 1998-06-16 |
| 5559938 | Display system for displaying a net of interconnected geographical paths provided with associated geographical names and road vehicle with on-board road-based navigation system having such display system | Georg E. Kaeser | 1996-09-24 |