Issued Patents 2004
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6681875 | Guide tube of a drill string configured to facilitate unscrewing thereof from a member of the drill string | Kenneth Larsson | 2004-01-27 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6681875 | Guide tube of a drill string configured to facilitate unscrewing thereof from a member of the drill string | Kenneth Larsson | 2004-01-27 |