Issued Patents 2016
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9447654 | Downhole circulating valve having a seal plug and method for operating same | James Dan Vick, Jr., Jimmie R. Williamson, Jr., Russell Irving Bayh, III | 2016-09-20 |
| 9238957 | Downhole injection assembly having an annular orifice | — | 2016-01-19 |