Issued Patents 2003
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6571880 | Method and multi-purpose apparatus for control of fluid in wellbore casing | Robert Bates, David F. Laurel, Samuel P. Hawkins, III, Burney J. Latiolais, Jr., Keith T. Lutgring | 2003-06-03 |