Issued Patents 2023
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D978765 | Underwater scooter | Chunjiang Tian | 2023-02-21 |
| D978766 | Underwater propulsion device | Shuailong Wang, Chunjiang Tian, Canrong Lin | 2023-02-21 |
| D976795 | Buoyancy chamber | Chunjiang Tian | 2023-01-31 |
| D976796 | Underwater scooter | Chunjiang Tian | 2023-01-31 |