Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4811800 | Flexible drill string member especially for use in directional drilling | Guy Hill, Homer G. Smith, Jr., Glenn E. Beatty | 1989-03-14 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4811800 | Flexible drill string member especially for use in directional drilling | Guy Hill, Homer G. Smith, Jr., Glenn E. Beatty | 1989-03-14 |