Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11839303 | Movable chair device and chair assembly | Xiaozhao ZHANG, QIU-JIANG XU | 2023-12-12 |
| 11638483 | Chair backrest mechanism, chair frame and chair | Xiaozhao ZHANG, QIU-JIANG XU, Mengjie LI | 2023-05-02 |
| 11140990 | Chair support structure and chair having the same | — | 2021-10-12 |
| 10842273 | Mechanical linkage structure for linking chair and seat, frame and chair having the mechanical linkage structure | Zhongqiang Fei, Shaoqiang Fei | 2020-11-24 |
| 10736426 | Headrest device, sofa accessory having the headrest device | Zhongqiang Fei, Shaoqiang Fei | 2020-08-11 |