Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11431372 | Enhanced elevator radio signal coverage | Hannu Rytilae | 2022-08-30 |
| 10598496 | Local navigation system | — | 2020-03-24 |
| 10129390 | Processing test calls from elevator emergency telephones | — | 2018-11-13 |
| 9994421 | Arrangements for maintaining favorite floor lists in elevator systems | Tapani Talonen | 2018-06-12 |
| 8948348 | Method for testing elevator emergency phones and elevator emergency communication system | Hannu RYTILÄ, Juha Hienonen | 2015-02-03 |