Issued Patents 2025
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12240732 | Notification system and method for an elevator and an elevator system | Lieping Wei, Wenbo Huang, Jingyu Tong | 2025-03-04 |
| 12240733 | Elevator calling device and elevator system | Shanghua Yang | 2025-03-04 |