Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6823354 | Method for a terminal using services offered by a master station and a terminal | Ulrich Kersken | 2004-11-23 |
| 6721633 | Method and device for interfacing a driver information system using a voice portal server | Karsten Funk | 2004-04-13 |