Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4512553 | Jack-up unit | David A. Dunham, Robert P. Riggs | 1985-04-23 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4512553 | Jack-up unit | David A. Dunham, Robert P. Riggs | 1985-04-23 |