Issued Patents 2023
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11708723 | Guide for top drive unit | Ronald K. Gillespie, David L. Williams, James T. Grammer, Bobby D. Fisk, Charles W. Harjo | 2023-07-25 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11708723 | Guide for top drive unit | Ronald K. Gillespie, David L. Williams, James T. Grammer, Bobby D. Fisk, Charles W. Harjo | 2023-07-25 |