Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12239240 | Extendable seating interconnected mechanism and seating supporting frame | Xiaohong Li, Xiaoqiang Zhang | 2025-03-04 |
| 11944199 | Mechanical stretching device for movable seat unit and seat unit | Xiaohong Li, Yuankun Li, Haibo Wang | 2024-04-02 |
| 11700942 | Mechanically stretchable apparatus for a sofa and sofa thereof | Xiaohong Li, Yuankun Li, Haibo Wang | 2023-07-18 |
| 11452378 | Mechanical stretching device for movable seat unit and seat unit | Xiaohong Li, Yuankun Li, Haibo Wang | 2022-09-27 |