Issued Patents 2023
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11667494 | Mechanism for improving safety for an elevator system | Ari Kattainen | 2023-06-06 |
| 11560291 | Elevator arrangement to open the roof of an elevator car | Markku Haapaniemi, Esko Aulanko, Matti Rasanen, Ari Kattainen | 2023-01-24 |