DM

Dean Richard Massey

WA Welltec Oilfield Solutions Ag: 1 patents #6 of 13Top 50%
📍 Copenhagen, MI: #1 of 1 inventorsTop 100%
Overall (2020): #492,344 of 565,922Top 90%
1
Patents 2020

Issued Patents 2020

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
10533390 Annular barrier having a downhole expandable tubular Ricardo Vasques 2020-01-14