Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4864959 | Aquascooter | Tetsuo Yoshizawa, Susumu Shirai | 1989-09-12 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4864959 | Aquascooter | Tetsuo Yoshizawa, Susumu Shirai | 1989-09-12 |