BC

Benhoist A. du Chaffaut

IP Institut Francais Du Petrole: 1 patents #889 of 1,676Top 55%
Overall (All Time): #3,817,254 of 4,157,543Top 95%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5186264 Device for guiding a drilling tool into a well and for exerting thereon a hydraulic force 1993-02-16