Issued Patents 2022
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11505426 | Brake device, a test method for the brake device and an elevator system | Guosong Li, Hua Zhou | 2022-11-22 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11505426 | Brake device, a test method for the brake device and an elevator system | Guosong Li, Hua Zhou | 2022-11-22 |