JB

Jean Boulet

VF Vallourec Drilling Products France: 1 patents #1 of 1Top 100%
Overall (2018): #378,349 of 503,207Top 80%
1
Patents 2018

Issued Patents 2018

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
9957758 Drill stem element and corresponding drill pipe — 2018-05-01