Issued Patents 2017
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9845224 | Door arrangement of an elevator | Matti Rasanen, Markku Haivala | 2017-12-19 |
| 9643817 | Elevator arrangement | Matti Rasanen, Pentti Alasentie, Osmo Björni, Markku Haivala, Aki Metsänen | 2017-05-09 |