DD

David Devlin

NM Ncs Multistage: 1 patents #9 of 19Top 50%
📍 Calgary, CA: #236 of 776 inventorsTop 35%
Overall (2019): #498,741 of 560,194Top 90%
1
Patents 2019

Issued Patents 2019

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
10465445 Casing float tool Donald Getzlaf, Marty Stromquist, John Ravensbergen, Douglas Braden, Travis Harris 2019-11-05