Issued Patents 2021
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11153004 | Conveyance system data transfer | Stella M. Oggianu, Tadeusz Pawel Witczak, Pawel Skiba | 2021-10-19 |
| 11076338 | Conveyance system data transfer | Tadeusz Pawel Witczak | 2021-07-27 |
| 10976424 | Automatic determination of position and orientation of elevator device entry terminals and hallway fixtures | Tadeusz Pawel Witczak, Stella M. Oggianu | 2021-04-13 |