Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4212121 | Method and apparatus for dredging having bow-stern movement of the suction means | Masao Kato | 1980-07-15 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4212121 | Method and apparatus for dredging having bow-stern movement of the suction means | Masao Kato | 1980-07-15 |