Issued Patents 2020
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10851599 | Horizontal directional drill pipe drive connection with locking feature | Floyd R. Gunsaulis, Max A. Metcalf | 2020-12-01 |
| 10808461 | Angular offset drilling tool | — | 2020-10-20 |
| 10760354 | Collar with stepped retaining ring groove | Dirk A. Wilson | 2020-09-01 |
| 10538969 | Stacked-plate reamer | Travis W. Woodson, Chapman P. Hancock | 2020-01-21 |