Issued Patents 2017
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9765605 | Re-fracture apparatus and method for wellbore | Cornelis C. Valkenburg | 2017-09-19 |
| 9593553 | Sliding sleeve having contracting, segmented ball seat | Michael Shane Larisey, Patrick J. Zimmerman, Raymond C. Shaffer, Luke Richey | 2017-03-14 |