Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6997647 | Active hold down system for jack-up drilling unit | William T. Bennett, Jr. | 2006-02-14 |
| 6378450 | Dynamically positioned semi-submersible drilling vessel with slender horizontal braces | Calvin Vinal Norton, Bruce Malcolm | 2002-04-30 |