Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5655603 | Mudline casing hanger mechanism incorporating improved seals and a detent mechanism for installation | John P. Harrington | 1997-08-12 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5655603 | Mudline casing hanger mechanism incorporating improved seals and a detent mechanism for installation | John P. Harrington | 1997-08-12 |