Issued Patents 2003
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6666273 | Valve assembly for use in a wellbore | — | 2003-12-23 |
| 6622795 | Flow actuated valve for use in a wellbore | John E. Hebert, Joseph Boudreaux, Scott Darby | 2003-09-23 |
| 6571880 | Method and multi-purpose apparatus for control of fluid in wellbore casing | Charles Butterfield, Robert Bates, Samuel P. Hawkins, III, Burney J. Latiolais, Jr., Keith T. Lutgring | 2003-06-03 |