Issued Patents 1997
Showing 1–1 of 1 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 |
Showing 1–1 of 1 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 |