Issued Patents 2003
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6640904 | Sand removal and device retrieval tool | Corey Hoffman, Richard L. Giroux, Stephen J. Norris | 2003-11-04 |
| 6595289 | Method and apparatus for plugging a wellbore | David M. Tumlin, Gene Fugatt, David Hosie | 2003-07-22 |
| 6547002 | High pressure rotating drilling head assembly with hydraulically removable packer | Thomas F. Bailey | 2003-04-15 |