SC

Stephen D. Challis

EX ExxonMobil: 2 patents #3,932 of 10,161Top 40%
Overall (All Time): #2,266,426 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
5846403 Recracking of cat naphtha for maximizing light olefins yields George A. Swan, III 1998-12-08
5173175 FCC feed injector Todd R. Steffens 1992-12-22