Issued Patents 2016
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9422966 | Shear member post shear segment retention apparatus | Levi B. Oberg, Gregory L. Hern, YingQing Xu, Douglas J. Lehr | 2016-08-23 |
| 9284803 | One-way flowable anchoring system and method of treating and producing a well | Patrick C. Stone, Douglas J. Lehr, Gregory L. Hern, Levi B. Oberg | 2016-03-15 |