Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11719052 | Flexible coupling for downhole drive string | Douglas Rosten, Derek Kitchen, Jeffrey Golinowski, Trevor Rosten | 2023-08-08 |
| 11002101 | Frac ball dropper | Jeff Golinowski, Layne Holmwood | 2021-05-11 |