Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6816785 | Navigation device and position correction method | Juergen Leimbach, Markus Schupfner, Lutz-Wolfgang Tiede | 2004-11-09 |
| 6766247 | Position determination method and navigation device | — | 2004-07-20 |