Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5178219 | Method and apparatus for performing a block squeeze cementing job | Kenneth D. Caskey | 1993-01-12 |
| 5111884 | Method and apparatus for reworking wells | Ricky D. Jacobi, Daniel Herndon, Louis C. Floyd | 1992-05-12 |