Issued Patents 2005
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6871727 | Elevator system with one or more cars moving independently in a same shaft | Simo Jokela, Johannes De Jong | 2005-03-29 |
| 6854565 | Method for monitoring the door mechanism of an elevator | Pekka Perälä, Seppo Suur-Askola, Pekka Torenius | 2005-02-15 |