Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11839303 | Movable chair device and chair assembly | Xiqi SUN, QIU-JIANG XU | 2023-12-12 |
| 11690453 | Movable chair support structure and chair having the same | — | 2023-07-04 |
| 11638483 | Chair backrest mechanism, chair frame and chair | Xiqi SUN, QIU-JIANG XU, Mengjie LI | 2023-05-02 |
| 11617446 | Footrest extension device, frame and chair having the same | — | 2023-04-04 |
| 11602224 | Headrest device and chair having the same | — | 2023-03-14 |
| 11540632 | Footrest mechanism, chair support body having same and chair | — | 2023-01-03 |
| 11540633 | Chair frame mechanism and chair having the same | — | 2023-01-03 |
| 11439234 | Movable chair mechanism, chair frame and chair | — | 2022-09-13 |