RA

Roland Amiel

VF Vallourec Drilling Products France: 1 patents #2 of 13Top 20%
Overall (2016): #251,597 of 481,213Top 55%
1
Patents 2016

Issued Patents 2016

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
9325084 Annular coupler for drill stem component Beranger Mitjans, Franck Moukanda Mbango 2016-04-26