Issued Patents All Time
Showing 26–29 of 29 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4809793 | Enhanced diameter clean-out tool and method | — | 1989-03-07 |
| 4618314 | Fluid injection apparatus and method used between a blowout preventer and a choke manifold | — | 1986-10-21 |
| 4519238 | Apparatus for internally testing a plurality of interconnected pipe sections | — | 1985-05-28 |
| 4383436 | Pipe tester | — | 1983-05-17 |