Issued Patents 2021
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11129291 | Extension mechanism | Qi Liu, Zhi-Shen Wang | 2021-09-21 |
| 11028878 | Bearing structural member, support, joint assembly and tube section assembly | Ming Lin, Wei Lin, Xiaodong Liu, Kexin Liu, Haiqing Yin +6 more | 2021-06-08 |