Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8746414 | Elevator system | Anssi Karppinen, Arto Tuhkio | 2014-06-10 |
| 8112861 | Method for replacing the hoisting roping of an elevator and a traction appliance arrangement used in the replacement | Niko Korkeakangas | 2012-02-14 |