DH

David Cyril Hendry

ZL Zenith Oilfield Technology Limited: 1 patents #2 of 2Top 100%
📍 Banchory, GB: #3 of 20 inventorsTop 15%
Overall (2017): #449,734 of 506,227Top 90%
1
Patents 2017

Issued Patents 2017

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
9541665 Fluid determination in a well bore David Sirda Shanks 2017-01-10