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Al Duerr

📍 Calgary, CA: #2,769 of 5,407 inventorsTop 55%
Overall (All Time): #2,760,316 of 4,157,543Top 70%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
11171580 Brake system and controller for use with a wellhead direct drive Aaron Brassard, John Doyle, Wray Sparling 2021-11-09