Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4659316 | Ship with propeller shaft partition rings | — | 1987-04-21 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4659316 | Ship with propeller shaft partition rings | — | 1987-04-21 |