Issued Patents 2022
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11535488 | Elevator position detection systems | David Ginsberg, David Alun James | 2022-12-27 |
| 11235948 | Dynamic compensation control for elevator systems | Edward Piedra, Randy Roberts, David Ginsberg, Konda Reddy Chevva, XiaoBin Tang | 2022-02-01 |