EB

Eric Bertet

DR Drillflex: 2 patents #4 of 6Top 70%
📍 Olivet, FR: #68 of 227 inventorsTop 30%
Overall (All Time): #2,257,548 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5718288 Method of cementing deformable casing inside a borehole or a conduit Jean-Marie Gueguen, Jean-Louis Saltel, Frederic Signori 1998-02-17
5695008 Preform or matrix tubular structure for casing a well Jean-Marie Gueguen, Jean-Louis Saltel, Frederic Signori 1997-12-09