Issued Patents 2020
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10532909 | Elevator passenger tracking control and call cancellation system | Stephen Richmond, Alan Matthew Finn, Arthur Hsu | 2020-01-14 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10532909 | Elevator passenger tracking control and call cancellation system | Stephen Richmond, Alan Matthew Finn, Arthur Hsu | 2020-01-14 |