Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4494476 | Method and apparatus for supporting lighters in lighter-transport ships | — | 1985-01-22 |
| 4405259 | Method and apparatus for preventing foreign objects from entering into docking basins | Veikko Koskivirta | 1983-09-20 |