Issued Patents 2024
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11858607 | Angle changeable apparatus and oar | Tetsushi Ozawa | 2024-01-02 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11858607 | Angle changeable apparatus and oar | Tetsushi Ozawa | 2024-01-02 |