Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4784240 | Method for using door cycle time in dispatching elevator cars | Robert C. MacDonald, Gerald M. Rees, Elsa Abrego, Matthew Martin, Jon Jay Howard +1 more | 1988-11-15 |
| 4662480 | Elevator system | Alan L. Husson | 1987-05-05 |
| 4567560 | Multiprocessor supervisory control for an elevator system | Alan L. Husson | 1986-01-28 |
| 4473133 | Elevator system | Emanuel E. Enriquez | 1984-09-25 |
| 4469199 | Elevator system | Linus R. Dirnberger, Matthew F. Kersen | 1984-09-04 |
| 4463834 | Elevator system | Joanne E. Mikhail | 1984-08-07 |
| 4436185 | Elevator system | Richard H. Ludwig, Wing C. Quan, Alan L. Husson, Linus R. Dirnberger | 1984-03-13 |