DD

David Devlin

NM Ncs Multistage: 1 patents #1 of 6Top 20%
📍 Calgary, CA: #176 of 661 inventorsTop 30%
Overall (2017): #451,411 of 506,227Top 90%
1
Patents 2017

Issued Patents 2017

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
9593542 Casing float tool Donald Getzlaf, Marty Stromquist, John Ravensbergen, Doulgas Braden, Travis Harris 2017-03-14