Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5893432 | Controlled emergency stop apparatus for elevators | Julio C. Ramos | 1999-04-13 |
| 4971178 | Elevator system with independent limiting of a speed pattern in terminal zones | Colin D. Schauder | 1990-11-20 |
| 4499974 | Terminal slowdown speed pattern generator | Alan L. Husson | 1985-02-19 |