Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7591305 | Patriot retrievable production packer | Michael T. Sommers | 2009-09-22 |
| 7082991 | Slip spring with heel notch | Michael T. Sommers | 2006-08-01 |
| 5069280 | Gravel packer and service tool | L. Michael McKee, Joseph D. Scranton, Derrel G. Gurley, Ernie Sodich | 1991-12-03 |
| 4640351 | Sealing packer | Ted G. Clifton | 1987-02-03 |