Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12162722 | Wireless early car arrival for mobile interfaces to elevator | — | 2024-12-10 |
| 10689226 | Position determining system for multicar ropeless elevator system | Richard N. Fargo, David Ginsberg, Dang V. Nguyen, Shashank Krishnamurthy | 2020-06-23 |
| 10414628 | Elevator system device with authorized access control | Harold Terry | 2019-09-17 |
| 10407275 | Detection and control system for elevator operations | Yehia F. Khalil, Richard N. Fargo, Randall Keith Roberts, Randall S. Dube, Gary L Nuschler +5 more | 2019-09-10 |
| 9850093 | System and method for controlling elevator system access | Matthew Joyce | 2017-12-26 |