Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9010551 | Wire access line drum assembly | Kenneth Michael Nero, William Raymond Valentine, Kevin Bryan Lewis | 2015-04-21 |
| 5450914 | Fluid powered stepping motor for rotating a downhole assembly relative to a supporting pipe string | — | 1995-09-19 |