Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5680906 | Method for real time location of deep boreholes while drilling | Richard G. McCreary | 1997-10-28 |
| 5172480 | Borehole deviation monitor | Vladimir M. Labuc, Michel Hamelin, David Sprott | 1992-12-22 |