Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9624756 | Sliding sleeve having contracting, dual segmented ball seat | James F. Wilkin | 2017-04-18 |
| 9506321 | Sliding sleeve having ramped, contracting, segmented ball seat | — | 2016-11-29 |