Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5862886 | Pretorque to unload elevator car/floor locks before retraction | Paul Bennett, Bruce A. Powell, Samuel C. Wan, Anthony Cooney, Richard C. McCarthy +3 more | 1999-01-26 |
| 5829553 | Fail-safe movement of elevator cabs between car frames and landings | Samuel C. Wan, Bruce A. Powell, Paul Bennett, Anthony Cooney, Richard C. McCarthy +2 more | 1998-11-03 |
| 5752585 | Elevator shuttle with auxiliary elevators at terminals | Joseph Bittar, Anthony Cooney, Richard C. McCarthy, Frederick H. Barker, Bruce A. Powell +2 more | 1998-05-19 |
| 5655625 | Emergency elevator cab commandeering shuttle | Frederick H. Barker, Paul Bennett, Anthony Cooney, Richard C. McCarthy, Joseph Bittar +2 more | 1997-08-12 |
| 5651426 | Synchronous elevator shuttle system | Joseph Bittar, Anthony Cooney, Richard C. McCarthy, Frederick H. Barker, Bruce A. Powell +2 more | 1997-07-29 |