Issued Patents 2022
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11511839 | Built-in water pumping device of manual paddle for boat | — | 2022-11-29 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11511839 | Built-in water pumping device of manual paddle for boat | — | 2022-11-29 |