Issued Patents 2023
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11548599 | Positioning and welding method for a ship stern thruster | Zailiang Liu | 2023-01-10 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11548599 | Positioning and welding method for a ship stern thruster | Zailiang Liu | 2023-01-10 |