Issued Patents 1997
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5695024 | Car operated safety gate for horizontally transferrable elevator cab | Samuel C. Wan, Frederick H. Barker, Bruce A. Powell, Gilbert W. Wierschke, Paul Bennett +2 more | 1997-12-09 |
| 5663539 | Passenger transfer, double deck, multi-elevator shuttle system | Bruce A. Powell, Joseph Bittar, Frederick H. Barker, Samuel C. Wan, Paul Bennett +2 more | 1997-09-02 |
| 5660249 | Elevator cabs transferred horizontally between double deck elevators | Bruce A. Powell, Joseph Bittar, Frederick H. Barker, Samuel C. Wan, Paul Bennett +1 more | 1997-08-26 |
| 5655625 | Emergency elevator cab commandeering shuttle | Frederick H. Barker, LucyMary Salmon, Paul Bennett, Anthony Cooney, Joseph Bittar +2 more | 1997-08-12 |
| 5651426 | Synchronous elevator shuttle system | Joseph Bittar, Anthony Cooney, Frederick H. Barker, Bruce A. Powell, Samuel C. Wan +2 more | 1997-07-29 |
| 5601156 | Maintaining communications and power during transfer of horizontally moveable elevator cab | Joseph Bittar, Frederick H. Barker, Bruce A. Powell, Samuel C. Wan, Paul Bennett +2 more | 1997-02-11 |