Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6512977 | Method and device for reading navigation data | Dieter Kriegel, Thomas Dobberkau, Stefan Sievers | 2003-01-28 |
| 6448893 | Multifunction display arrangement for a motor vehicle | Thomas Dobberkau, Dieter Kriegel, Klaus-Gert Besel, Olaf Lengfeld | 2002-09-10 |
| 6163752 | Method and arrangement for representing data in vehicle navigation systems | Stefan Sievers, Dieter Kriegel, Thomas Dobberkau | 2000-12-19 |