DB

David Anthony Ballard

ML M-I Drilling Fluids Uk Limited: 2 patents #1 of 22Top 5%
📍 Stonehaven, WA: #1 of 1 inventorsTop 100%
Overall (2018): #157,249 of 503,207Top 35%
2
Patents 2018

Issued Patents 2018

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
10081755 Set on demand cement compositions for curing fluid loss 2018-09-25
10072198 Self sealing fluids 2018-09-11