DH

Douglas A. Hunter

P( Prostar Energy Technologies (Usa): 1 patents #2 of 5Top 40%
📍 Calgary, CA: #172 of 622 inventorsTop 30%
Overall (2021): #471,524 of 548,734Top 90%
1
Patents 2021

Issued Patents 2021

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
10988994 Pipe handler and pipe loader for a well rig Jason Peter Clarke, Daniel Harvard Kusler, Mark Charles Taggart 2021-04-27