DC

D. Scott Costa

GP Grant Prideco: 1 patents #22 of 58Top 40%
GP Grant Prideco: 1 patents #12 of 62Top 20%
Overall (All Time): #2,171,640 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
7086669 Method and apparatus for sealing radially expanded joints M. Edward Evans, Richard W. DeLange 2006-08-08
6409175 Expandable joint connector M. Edward Evans, James N. Brock 2002-06-25