Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4265035 | Drag-head for a suction dredger with a pivotable sight | — | 1981-05-05 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4265035 | Drag-head for a suction dredger with a pivotable sight | — | 1981-05-05 |