Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6767156 | Thread joint and threaded components for percussive drilling components | — | 2004-07-27 |
| 6681875 | Guide tube of a drill string configured to facilitate unscrewing thereof from a member of the drill string | Gösta Reuter | 2004-01-27 |