PD

Paul M. Defourny

BT Baroid Technology: 1 patents #36 of 87Top 45%
Overall (All Time): #3,458,979 of 4,157,543Top 85%
1
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
6945338 Drilling bit assembly and apparatus Fereidoun Abbassian 2005-09-20