Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10040666 | Arrangement for fixing the compensating weight guide rails of an elevator, and guide rail bracket used in the arrangement | Osmo Björni, Timo Hämäläinen, Markku Ruusuvirta, Mika Alvesalo, Jari Pursiainen +1 more | 2018-08-07 |
| 9878880 | Elevator car | Markku Haapaniemi, Mika Alvesalo, Matti Rasanen, Markku Haivala | 2018-01-30 |