Issued Patents 2011
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8011448 | Rotary steerable tool | Victor Laing Allan | 2011-09-06 |
| 7954561 | Vertical direction adjustment tool for downhole drilling apparatus | Roger Farries Findlay, Allan Grant Clark, Victor Laing Allan | 2011-06-07 |