Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7431082 | Retaining lines in bypass groove on downhole equipment | James Holt | 2008-10-07 |
| 4504037 | Ram blowout preventer securing and retracting apparatus | Mark K. Crutchfield | 1985-03-12 |
| 4293115 | Testing mechanism for blowout preventer ram lock | Glenn C. Parks, Jr. | 1981-10-06 |