Issued Patents 2019
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10196240 | Wireless power supply for self-propelled elevator | Zbigniew Piech, Rafal Wojciechowski, Cezary Jedryczka | 2019-02-05 |
| 10189679 | Elevator car power supply | Tadeusz Pawel Witczak, Cezary Jedryczka, Bryan Robert Siewert, Zbigniew Piech | 2019-01-29 |