Issued Patents 2021
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11078777 | Permanent or removable positioning apparatus and method for downhole tool operations | Michael C. Robertson, William F. Boelte, Douglas J. Streibich, Antony F. Grattan | 2021-08-03 |
| 11047192 | Downhole positioning and anchoring device | Michael C. Robertson, Antony F. Grattan, Douglas J. Streibich | 2021-06-29 |