Issued Patents 2021
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11143569 | Pre-job operation valve checks | James Douglas Funkhouser, Derek Williams, Gary Lee Cline | 2021-10-12 |
| 10995589 | Setting valve configurations in a manifold system | James Douglas Funkhouser, Derek Williams, Gary Lee Cline | 2021-05-04 |