JA

Jean Armengaud

EP Elf Aquitaine Production: 1 patents #2 of 32Top 7%
Overall (1997): #133,598 of 185,788Top 75%
1
Patents 1997

Issued Patents 1997

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5616842 Device for evaluation of the lubricating charcteristics of a drilling mud Alain Martignon, Simeon Cortiade, Jacques Marti 1997-04-01