Issued Patents 2018
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10155639 | Elevator notice system | Tadeusz Pawel Witczak, Arthur Hsu, David Ginsberg | 2018-12-18 |
| 10081513 | Motion profile for empty elevator cars and occupied elevator cars | Arthur Hsu, David Ginsberg | 2018-09-25 |
| 10017354 | Control system for multicar elevator system | David Ginsberg, Arthur Hsu | 2018-07-10 |