Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5327963 | Tubular coupling device | Roy G. Quinlan | 1994-07-12 |
| 5236201 | Reinforcement structure for inflatable downhole packers | Roy G. Quinlan | 1993-08-17 |
| 5220959 | Gripping inflatable packer | — | 1993-06-22 |
| 5205567 | Reinforced inflatable packer | Roy G. Quinlan | 1993-04-27 |