Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11603716 | Hydro-pneumatic cylinder with annulus fluid bypass | Steven M. Hafernik | 2023-03-14 |
| 9682752 | Deflection absorbing tensioner frame | Fife B. Ellis, Steven M. Hafernik | 2017-06-20 |
| 9540890 | Methods and systems for tensioner connection | Steven M. Hafernik, Fife B. Ellis | 2017-01-10 |