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Dave Johanson

📍 Sylvan Lake, CA: #17 of 39 inventorsTop 45%
Overall (All Time): #3,392,065 of 4,157,543Top 85%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
7249629 Multi-function well servicing vehicle Brian Cunningham, Duncan McPhedran, Bill Darling, Barry Goss, Ilya Mayzus +2 more 2007-07-31