Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6669906 | Reinforced cluster optical sensors | Thomas Schalkhammer, Fritz Pittner | 2003-12-30 |
| 6510924 | Speech-controlled location-familiar elevator | Thomas Portele, Lars Pralle | 2003-01-28 |