Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5411118 | Arrival time determination for passengers boarding an elevator car | Kandasamy Thangavelu | 1995-05-02 |
| 5387769 | Local area network between an elevator system building controller, group controller and car controller, using redundant communication links | Bertram F. Kupersmith, Christopher P. Screven | 1995-02-07 |
| 5298695 | Elevator system with varying motion profiles and parameters based on crowd related predictions | Zuhair S. Bahjat | 1994-03-29 |