Issued Patents 2023
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11839303 | Movable chair device and chair assembly | Xiqi SUN, Xiaozhao ZHANG | 2023-12-12 |
| 11638483 | Chair backrest mechanism, chair frame and chair | Xiqi SUN, Xiaozhao ZHANG, Mengjie LI | 2023-05-02 |