Issued Patents 2020
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10837215 | Zone object detection system for elevator system | Walter Thomas Schmidt, Enrico Manes, Norbert Antony Murray Hootsmans | 2020-11-17 |
| 10710843 | Car door interlock with sill lock | Richard E. Kulak | 2020-07-14 |
| 10569994 | Monitoring system, elevator door system having monitoring system, and method | Richard E. Kulak | 2020-02-25 |