Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4907914 | Tether connector for a tension leg platform | Richard H. Gunderson, Terry N. Gardner | 1990-03-13 |
| 4620728 | Flowline swivel with removable product seal surfaces | James R. Barth | 1986-11-04 |
| 4561679 | Seal pressure reduction system | — | 1985-12-31 |