Issued Patents 2022
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11365606 | Downhole sleeve assembly and sleeve actuator therefor | Mark Andreychuk, Per Angman, Allan Petrella | 2022-06-21 |
| 11261682 | Mode selector for a downhole tool | Per Angman, Matthew H. Brown, Allan Petrella, Mark Andreychuk | 2022-03-01 |