JB

Jacques Bonvoisin

CF Companie Internationale Des Pieux Armes Frankinoul: 2 patents #1 of 4Top 25%
Overall (All Time): #2,364,783 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4422798 Process for construction of an underground structure and the structure thus obtained — 1983-12-27
4365913 Method and device for building in the ground vertical walled structures starting from a subterranean conduit — 1982-12-28