Issued Patents 2011
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8047219 | Block and bleed plugging tool employing seals on a pipeline exterior | Gregory L. Puckett | 2011-11-01 |
| 8001988 | Verifiable closing and locking system of a cylindrical passageway | Buddy A. Wilson, Randy B. Billington, Bruce W. Bingham, Mark Morgan | 2011-08-23 |