Issued Patents 2020
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10865071 | Configurable multicar elevator system | Randall Keith Roberts, Zbigniew Piech, Cezary Jedryczka, Wojciech Szelag, Tadeusz Pawel Witczak +3 more | 2020-12-15 |
| 10752466 | Transfer station for a ropeless elevator system with redundancy of subcomponents and parking zone | Cezary Jedryczka, Tadeusz Pawel Witczak, Zbigniew Piech, Bruce P. Swaybill, Wojciech Szelag +2 more | 2020-08-25 |
| 10745247 | Elevator car guidance mechanism | Tadeusz Pawel Witczak, Richard N. Fargo, Enrico Manes, Zbigniew Piech, Bruce P. Swaybill +2 more | 2020-08-18 |