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