Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5327963 | Tubular coupling device | James C. Vance, Sr. | 1994-07-12 |
| 5236201 | Reinforcement structure for inflatable downhole packers | James C. Vance, Sr. | 1993-08-17 |
| 5205567 | Reinforced inflatable packer | James C. Vance, Sr. | 1993-04-27 |