Issued Patents 2011
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7938179 | Method of using a charged chamber pressure transmitter for subterranean tools | Steven L. Jennings, David Z. Anderson, Steve Rosenblatt | 2011-05-10 |
| 7905292 | Pressure equalization device for downhole tools | Clifford H. Beall, Michael J. May, James T. Sloan | 2011-03-15 |