Issued Patents 2021
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11203902 | Guide shoe with lockable nose | Alexander Craig Mackay | 2021-12-21 |
| 10968722 | Valve assembly and method of controlling fluid flow in an oil, gas or water well | James Edward Atkins | 2021-04-06 |