Issued Patents 2021
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11155442 | Termination for elevator belt | — | 2021-10-26 |
| 10981752 | Modular transfer station | Tadeusz Pawel Witczak, Bruce P. Swaybill, Richard Ivanic, Kevin Neville, Sven Swanson | 2021-04-20 |
| 10899580 | Elevator cab suspension assembly for a double deck elevator | Walter Thomas Schmidt, Enrico Manes, Shihemn Chen, Zaffir A. Chaudhry, Xiaodong Luo +4 more | 2021-01-26 |