EB

Eric Bertet

DR Drillflex: 1 patents #1 of 4Top 25%
📍 Olivet, FR: #2 of 6 inventorsTop 35%
Overall (1997): #154,972 of 185,788Top 85%
1
Patents 1997

Issued Patents 1997

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5695008 Preform or matrix tubular structure for casing a well Jean-Marie Gueguen, Jean-Louis Saltel, Frederic Signori 1997-12-09