Issued Patents 2023
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11738830 | Automatic falling-off device for self-sinking and floating type profiling float diversion shell and diversion shell | Zongrui Hao, Lu Dong, Wanlong Ren, Gang Liu, Zhili Hua +1 more | 2023-08-29 |