Issued Patents 2021
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11208295 | Passenger counting arrangement | Marja-Liisa Siikonen, Johan Backlund, Janne Sorsa | 2021-12-28 |
| 11009846 | Evacuation controller | Marja-Liisa Siikonen, Janne Sorsa, Sergey Kitov, Mirko Ruokokoski | 2021-05-18 |