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