Issued Patents 2019
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 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 |