Issued Patents 2023
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11774220 | Annular shaped-charge housing for blasting and method of using the same | Wentao Lan, Gongcheng Li, Zimin Ma, Zhihe LIU | 2023-10-03 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11774220 | Annular shaped-charge housing for blasting and method of using the same | Wentao Lan, Gongcheng Li, Zimin Ma, Zhihe LIU | 2023-10-03 |