Issued Patents 2021
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10932561 | Stepless adjustable telescopic device and method using the same | Ying Zhang, Huaide Ren, Wentao Wang | 2021-03-02 |
| 10928000 | Electric lifting frame and its control system and control method | Huaide Ren, Ying Zhang, Wentao Wang | 2021-02-23 |