Issued Patents 2011
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8069955 | Elevator and traction sheave of an elevator | Esko Aulanko, Jorma Mustalahti, Simo Makimattila | 2011-12-06 |
| 8020669 | Elevator and traction sheave of an elevator | Esko Aulanko, Jorma Mustalahti, Simo Makimattila | 2011-09-20 |
| 8020670 | Arrangement for equalizing elevator rope force and elevator | Jorma Mustalahti, Esko Aulanko | 2011-09-20 |