Issued Patents 2011
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7905292 | Pressure equalization device for downhole tools | Clifford H. Beall, Darren E. Bane, Michael J. May | 2011-03-15 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7905292 | Pressure equalization device for downhole tools | Clifford H. Beall, Darren E. Bane, Michael J. May | 2011-03-15 |