BR

Bernard Ruquier

Shell Oil Compny: 1 patents #2,223 of 4,423Top 55%
📍 Petit-Couronne, FR: #2 of 3 inventorsTop 70%
Overall (All Time): #3,901,791 of 4,157,543Top 95%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4921539 Modified pitch specially adapted to bind coal particles Jean-Pierre Harlin, Jean-Pierre Giorgetti, Robert Herment 1990-05-01