Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7270139 | Cam-assisted, wedge actuated, metal-to-metal seal, block and bleed plugging tool | Charles D. Calkins, Buddy A. Wilson | 2007-09-18 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7270139 | Cam-assisted, wedge actuated, metal-to-metal seal, block and bleed plugging tool | Charles D. Calkins, Buddy A. Wilson | 2007-09-18 |