FD

Francois Duffaut

IS Imphy S.A.: 1 patents #9 of 20Top 45%
Overall (All Time): #4,017,163 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
4525431 Iron-based alloys for welded structural elements, method of manufacturing such elements and structures built therefrom 1985-06-25