DO

Daniel O'Halloran

FI Fike: 2 patents #32 of 83Top 40%
Overall (All Time): #2,113,181 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
8038024 Holder with V-knife blade for bi-directional rupture disc assembly Michael D. Krebill, Jeromie T. Farnsworth, Bradford T. Stilwell 2011-10-18
7533727 Oil well completion tool having severable tubing string barrier disc John A. Barton, Mark Burris, Donald R. Hibler, Jr., Joel Wicoff 2009-05-19