Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11187216 | Plunger tool for reciprocation pump | Bertrom Ballard, Jr., Bernt Olsen | 2021-11-30 |
| 10961994 | Plunger tool for reciprocation pump | Bertrom Ballard, Jr., Bernt Olsen | 2021-03-30 |
| 10655616 | Plunger tool for reciprocation pump | Bertrom Ballard, Jr., Bernt Olsen | 2020-05-19 |