Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10961791 | Method and apparatus to rotate subsurface wellbore casing | William W. Fleckenstein | 2021-03-30 |
| 10287829 | Method and apparatus to rotate subsurface wellbore casing | William W. Fleckenstein | 2019-05-14 |