Issued Patents 2025
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12396558 | Narrow backrest electric seat mechanical extension device | Yushu Zhao, Kai Jin | 2025-08-26 |
| 12364336 | Mechanical extension device of rocking seat | Yushu Zhao, Kai Jin | 2025-07-22 |