Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4384483 | Preventing buckling in drill string | Thomas B. Dellinger, Wilton Gravley | 1983-05-24 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4384483 | Preventing buckling in drill string | Thomas B. Dellinger, Wilton Gravley | 1983-05-24 |