Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11708723 | Guide for top drive unit | Robert L. Gordon, Ronald K. Gillespie, David L. Williams, James T. Grammer, Bobby D. Fisk | 2023-07-25 |
| 10900299 | System and method for automated pipe handling | Robert L. Gordon, Bobby D. Fisk, Ronald K. Gillespie, David L. Williams | 2021-01-26 |
| 10895111 | Guide for top drive unit | Robert L. Gordon, Ronald K. Gillespie, David L. Williams, James T. Grammer, Bobby D. Fisk | 2021-01-19 |
| 10151156 | System and method for automated pipe handling | Robert L. Gordon, Bobby D. Fisk, Ronald K. Gillespie, David L. Williams | 2018-12-11 |