Issued Patents 2020
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10774829 | Hydraulic artificial lift for driving downhole pumps | Martin E. C. Gubbins | 2020-09-15 |
| 10597957 | Foldable continuous rod guide and a jib for servicing rig for supporting same | Martin E. C. Gubbins | 2020-03-24 |