RH

Robert E. Hewitt

PG Precision Drilling Technology Services Group: 1 patents #9 of 26Top 35%
Overall (All Time): #3,439,423 of 4,157,543Top 85%
1
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
6845563 Method and device for the measurement of the drift of a borchole Jonathan Robert Lewis 2005-01-25