DL

Daniel LeVon

SI Smith International: 1 patents #390 of 708Top 60%
Overall (All Time): #3,040,797 of 4,157,543Top 75%
1
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
8967300 Pressure activated flow switch for a downhole tool Charles H. Dewey, John E. Campbell 2015-03-03