Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5662341 | Metal-to-metal seal assembly for oil and gas well production apparatus | Michael Dale Ezell | 1997-09-02 |
| 4516634 | Hydraulic running and setting tool for well packer | — | 1985-05-14 |