Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4648446 | Wireline set/tubing retrieve packer type bridge plug | Kenneth D. Caskey | 1987-03-10 |
| 4545431 | Wireline set/tubing retrieve packer type bridge plug | — | 1985-10-08 |
| 4524825 | Well packer | — | 1985-06-25 |