DC

Douglas Costall

CF Canadian Fracmaster: 1 patents #5 of 23Top 25%
📍 Okotoks, CA: #28 of 82 inventorsTop 35%
Overall (All Time): #2,156,766 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
7207389 Hybrid coiled tubing/fluid pumping unit Robert Foster 2007-04-24
5842530 Hybrid coiled tubing/conventional drilling unit Donald A. Smith 1998-12-01