Issued Patents 1994
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5368132 | Suspended elevator cab magnetic guidance to rails | John K. Salmon | 1994-11-29 |
| 5322144 | Active control of elevator platform | Clement A. Skalski, John K. Salmon, Boris G. Traktovenko | 1994-06-21 |
| 5321217 | Apparatus and method for controlling an elevator horizontal suspension | Boris G. Traktovenko, Clement A. Skalski | 1994-06-14 |
| 5308938 | Elevator active suspension system | Randall Keith Roberts, Clement A. Skalski, John K. Salmon | 1994-05-03 |
| 5294757 | Active vibration control system for an elevator, which reduces horizontal and rotational forces acting on the car | Clement A. Skalski, John K. Salmon, Boris G. Traktovenko | 1994-03-15 |