Issued Patents 2021
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11060359 | Polished rod rotator with height adjuster | Todd McCorriston, Craig Simmers | 2021-07-13 |
| 11028888 | Self-amplifying safety brake | Radu Gnasienco, Russell Turnbull, Kevin Batalha | 2021-06-08 |