Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5740863 | Subsea wellhead mechanical erosion detector | Thomas Dorsch, Lee A. Gillette, John C. Vicic, Michael R. Williams | 1998-04-21 |
| 5720501 | Swivel joint elbow orientation device | Tep Ungchusri | 1998-02-24 |