Issued Patents All Time
Showing 51–53 of 53 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4297965 | Tension leg structure for tension leg platform | Raymond W. Walker | 1981-11-03 |
| 4212329 | Pipe construction and method of making same | — | 1980-07-15 |
| 4185694 | Marine riser system | — | 1980-01-29 |