Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4676146 | Fin swinging angle control apparatus | Akira Takahashi | 1987-06-30 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4676146 | Fin swinging angle control apparatus | Akira Takahashi | 1987-06-30 |