Issued Patents 2020
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10597977 | Closing sleeve assembly with ported sleeve | Phillip T. Thomas | 2020-03-24 |
| 10570687 | Reclosable multi-zone isolation using a piston assembly having a lock out feature | William David Henderson | 2020-02-25 |