| 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 |