Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5368114 | Under-reaming tool for boreholes | Geir Tandberg, Sigbjorn Sangesland | 1994-11-29 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5368114 | Under-reaming tool for boreholes | Geir Tandberg, Sigbjorn Sangesland | 1994-11-29 |