Issued Patents 2022
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11292693 | Elevator system control based on building sway | Randy Roberts, George Scott Copeland, Luis C. Encinas Carreno, Patricia Derwinski | 2022-04-05 |
| 11267675 | Cooling system for elevator with electronic visual displays | Patricia Derwinski | 2022-03-08 |