Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10221633 | Sucker rod shear couplers | Aaron Brassard, Wray Sparling, John Doyle | 2019-03-05 |
| 9243460 | Rod clamping devices for hanging or pulling rod strings in a wellbore | — | 2016-01-26 |