Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5813456 | Retrievable bridge plug and retrieving tool | David L. Farley | 1998-09-29 |
| 5449040 | Wireline-set tubing-release packer apparatus | David L. Farley | 1995-09-12 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5813456 | Retrievable bridge plug and retrieving tool | David L. Farley | 1998-09-29 |
| 5449040 | Wireline-set tubing-release packer apparatus | David L. Farley | 1995-09-12 |