Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10604378 | Emergency elevator power management | Tarique Faruki | 2020-03-31 |
| 5881844 | Secondary positioning system for elevator car doors | Garnett H. Thompson, Richard N. Fargo, David K. Gentzler, James P. Towey, Michael J. Tracey | 1999-03-16 |
| 5212951 | Hydraulic elevator control valve | Richard N. Fargo | 1993-05-25 |