Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6701861 | Semi-submersible floating production facility | Joe W. Key, Calvin Vinal Norton, Robert Edward Clague | 2004-03-09 |
| 6231269 | Apparatus for releasing a rack chock of a jack-up rig | Morris Shear | 2001-05-15 |