Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5663539 | Passenger transfer, double deck, multi-elevator shuttle system | Bruce A. Powell, Richard C. McCarthy, Joseph Bittar, Frederick H. Barker, Samuel C. Wan +2 more | 1997-09-02 |
| 5601156 | Maintaining communications and power during transfer of horizontally moveable elevator cab | Richard C. McCarthy, Joseph Bittar, Frederick H. Barker, Bruce A. Powell, Samuel C. Wan +2 more | 1997-02-11 |