Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8028809 | Elevator system control providing specialized service features and individual location information | Barry G. Blackaby | 2011-10-04 |
| 7882938 | Elevator system control providing specialized service features to facilitate a passenger accessing an assigned elevator car | Barry G. Blackaby | 2011-02-08 |
| 7353915 | Automatic destination entry system with override capability | Vlad Zaharia, Wade A. Montague, Richard J. Mangini, Richard K. Pulling, Paul A. Stranieri | 2008-04-08 |
| 5487451 | System and method for determining the availability of an elevator car for response to hall calls | David M. Hughes | 1996-01-30 |
| 5272287 | Elevator car and riser transfer | Paul A. Stranieri, David M. Hughes, Bertram F. Kupersmith | 1993-12-21 |
| D325355 | Elevator hall traffic sensor housing | Joseph Bittar, William A. Weirsman | 1992-04-14 |
| 4655324 | Method for privately controlling an elevator | Robert E. Greenstien | 1987-04-07 |
| 4627518 | Backup position signaling in an elevator | Isabel Hovey | 1986-12-09 |
| 4623983 | Digital signal analyzer with analog display | — | 1986-11-18 |