Issued Patents 2022
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11320644 | Equatorial mount locking device | Wenzhong Shen, Xuefeng Zhu | 2022-05-03 |
| 11304442 | Smoke generation product and manufacturing method therefor | Yong Deng, Xiang Fei, Jiang Wu, Kai LIU, Jin Ma +7 more | 2022-04-19 |