JC

Jean-Marie Cognon

Overall (All Time): #2,185,718 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
6672015 Concrete pile made of such a concrete and method for drilling a hole adapted for receiving the improved concrete pile in a weak ground — 2004-01-06
6254308 Equipment and a method for partially drying a zone of ground containing a liquid — 2001-07-03