Issued Patents 2018
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10099897 | Elevator having a safety chain with a series connection of safety switch arrangements | Antti Mertala, Ari Kattainen, Claudio Donghi, Samu Salmelin | 2018-10-16 |
| 10040670 | Elevator with light curtain for monitoring door | Ari Kattainen, Tapio Tyni | 2018-08-07 |