Issued Patents 1982
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4317491 | Wireline protector | Homan C. Tullos | 1982-03-02 |
| 4313318 | Adjustable kelly bushing for downhole drilling system | Homan C. Tullos | 1982-02-02 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4317491 | Wireline protector | Homan C. Tullos | 1982-03-02 |
| 4313318 | Adjustable kelly bushing for downhole drilling system | Homan C. Tullos | 1982-02-02 |