JF

Jean-Jacques Fery

CP Compagnie Francaise Des Petroles: 1 patents #4 of 9Top 45%
📍 Bar-le-Duc, FR: #1 of 4 inventorsTop 25%
Overall (1982): #54,744 of 81,411Top 70%
1
Patents 1982

Issued Patents 1982

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4352674 Method of tracing a well drilling mud — 1982-10-05