Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9057223 | Directional drilling system | Cedric Perrin, Geoffrey C. Downton, Christopher C. Bogath, Bertrand Lacour | 2015-06-16 |
PC
Paul Crerar
Overall (All Time): #3,056,939 of 4,157,543Top 75%
1
Patents All Time