DJ

Delbert B. Johnson

Overall (All Time): #4,003,709 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
4618286 Composite platform for petroleum workings in polar seas Dominique Michel, Jean F. Pages, Vincent F. P. Foglia, Jean Martin, Michel Vache +2 more 1986-10-21