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Jeffrey W. Spence

SA Sanjel: 1 patents #5 of 18Top 30%
📍 Calgary, CA: #2,769 of 5,407 inventorsTop 55%
Overall (All Time): #3,142,566 of 4,157,543Top 80%
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Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
8347965 Apparatus and method for creating pressure pulses in a wellbore James K. Gray, Bailey Todd Epp, Alberto Ivan Mendoza MARTINEZ, Liguo Zhou 2013-01-08