Issued Patents 2021
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10995585 | Electronic valve with deformable seat and method | Raymond C. Shaffer | 2021-05-04 |
| 10920515 | Device and method for retrieving a restriction element from a well | John T. Hardesty, Kevin R. George, Michael D. Wroblicky | 2021-02-16 |