Issued Patents 2018
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date | Approx Value ⓘ |
|---|---|---|---|---|
| 10006267 | Expansion cone for downhole tool | Henry E. Rogers | 2018-06-26 | $15,984,000 |
| 9909382 | Subsurface wiping plug apparatus, method, and system | Daniel Lee Schmidt, Gary Joe Makowiecki | 2018-03-06 | $9,770,000 |