Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8689135 | Method of driving an interactive system and user interface system | Christian Benien, Jens Friedemann Marschner | 2014-04-01 |
| 6510924 | Speech-controlled location-familiar elevator | Georg Bauer, Lars Pralle | 2003-01-28 |