Issued Patents 2005
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6935465 | Method for modernization of an elevator installation | — | 2005-08-30 |
| 6892861 | Destination call control for modernizing elevator installation | — | 2005-05-17 |
| 6868945 | Method for controlling an elevator utilizing a mobile telephone | Kilian Schuster | 2005-03-22 |