Issued Patents 2021
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11078777 | Permanent or removable positioning apparatus and method for downhole tool operations | Michael C. Robertson, William F. Boelte, Marcelo Laxalt, Antony F. Grattan | 2021-08-03 |
| 11072991 | Degradable plug device for a pipe | George Bruce Martin, Michael C. Robertson, Antony F. Grattan | 2021-07-27 |
| 11047192 | Downhole positioning and anchoring device | Michael C. Robertson, Antony F. Grattan, Marcelo Laxalt | 2021-06-29 |
| 10900309 | Setting tool for downhole applications | Michael C. Robertson, Antony F. Grattan, Roy L. Sparkman, Mark Lancaster | 2021-01-26 |