RT

Richard E. Thorp

CH Camco Drilling Group Limited Of Hycalog: 1 patents #5 of 10Top 50%
📍 Bristol, TX: #2 of 2 inventorsTop 100%
Overall (1997): #87,823 of 185,788Top 50%
1
Patents 1997

Issued Patents 1997

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5673763 Modulated bias unit for rotary drilling — 1997-10-07