Issued Patents 2018
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10138688 | Wireless downhole tool positioning control | Don Umphries | 2018-11-27 |
| 10119349 | Redundant drill string cutting system | Don Umphries | 2018-11-06 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10138688 | Wireless downhole tool positioning control | Don Umphries | 2018-11-27 |
| 10119349 | Redundant drill string cutting system | Don Umphries | 2018-11-06 |