Issued Patents 2021
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10934796 | Method for removing casing from a wellbore | David Stephenson, Neil Andrew Abercrombie Simpson | 2021-03-02 |
| 10907439 | Apparatus and method for well tubular flotation | David Stephenson | 2021-02-02 |