CE

Chad D. Evans

SI Smith International: 2 patents #259 of 708Top 40%
Overall (All Time): #2,151,358 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
7448446 Thru tubing tool and method John E. Campbell, Charles H. Dewey 2008-11-11
7178589 Thru tubing tool and method John E. Campbell, Charles H. Dewey 2007-02-20