Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4509605 | Wireline protector with improved clamping mechanism | Homan C. Tullos | 1985-04-09 |
| 4431067 | Wireline protector with clamping mechanism | Homan C. Tullos | 1984-02-14 |
| 4317491 | Wireline protector | Homan C. Tullos | 1982-03-02 |
| 4313318 | Adjustable kelly bushing for downhole drilling system | Homan C. Tullos | 1982-02-02 |
| 4258802 | Downhole drilling system | Homan C. Tullos | 1981-03-31 |