Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4875554 | Dynamic selection of elevator call assignment scan direction | Robert C. MacDonald | 1989-10-24 |
| 4793443 | Dynamic assignment switching in the dispatching of elevator cars | Robert C. MacDonald | 1988-12-27 |
| 4790412 | Anti-bunching method for dispatching elevator cars | Robert C. MacDonald | 1988-12-13 |
| 4784240 | Method for using door cycle time in dispatching elevator cars | Robert C. MacDonald, Gerald M. Rees, Matthew Martin, Jon Jay Howard, Marjorie J. Polis +1 more | 1988-11-15 |
| 4782921 | Coincident call optimization in an elevator dispatching system | Robert C. MacDonald | 1988-11-08 |