DC

Delton Andrew Campbell

📍 Calgary, CA: #2,769 of 5,407 inventorsTop 55%
Overall (All Time): #3,095,814 of 4,157,543Top 75%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
8672036 Wellbore circulation tool and method John M. Hughes, Ryan D. Rasmussen 2014-03-18