Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4436449 | Drill ship pipe capture | Sijtze De Jong | 1984-03-13 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4436449 | Drill ship pipe capture | Sijtze De Jong | 1984-03-13 |