Issued Patents 2011
Showing 1–2 of 2 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 |