Issued Patents 2021
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10900299 | System and method for automated pipe handling | Robert L. Gordon, Bobby D. Fisk, Ronald K. Gillespie, Charles W. Harjo | 2021-01-26 |
| 10895111 | Guide for top drive unit | Robert L. Gordon, Ronald K. Gillespie, James T. Grammer, Bobby D. Fisk, Charles W. Harjo | 2021-01-19 |