Issued Patents 2005
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6973998 | Door state monitoring by means of three-dimensional sensor | Elena Cortona | 2005-12-13 |
| 6955245 | Elevator installation comprising a number of individually propelled cars in at least three adjacent hoistways | Thomas Dünser | 2005-10-18 |