Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12352089 | Door hinge | Qian Xiao, Zengrong Xie, Hailong Tang | 2025-07-08 |
| 11248393 | Latch bolt buffer structure for lock body | Qian Xiao | 2022-02-15 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12352089 | Door hinge | Qian Xiao, Zengrong Xie, Hailong Tang | 2025-07-08 |
| 11248393 | Latch bolt buffer structure for lock body | Qian Xiao | 2022-02-15 |