Issued Patents 2019
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10267117 | Radial seal pressure reduction using internal pump | James W. Chambers, Don M. Hannegan, Lev Ring | 2019-04-23 |
| 10214999 | Remotely operated isolation valve | Joe Noske, Roddie R. Smith, Paul L. Smith, Christopher L. McDowell | 2019-02-26 |