Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6504488 | Electronic device | Wolfgang Reichel, Michael C. Romer | 2003-01-07 |
| 6308133 | Adaptive navigation system | Ralf Loffert | 2001-10-23 |
| 6304817 | Audio/navigation system with automatic setting of user-dependent system parameters | — | 2001-10-16 |