Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9970773 | Navigation system for accessing navigation data stored in an access-protected manner | — | 2018-05-15 |
| 7941795 | System for updating and outputting speech data | Joachim Wietzke, Andreas Lehmann | 2011-05-10 |