EW

Eugen R. Werlein

EX ExxonMobil: 1 patents #5,661 of 10,161Top 60%
Overall (All Time): #3,917,463 of 4,157,543Top 95%
1
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
4978461 Low and high temperature drilling fluids based on sulfonated terpolymer ionomers Dennis G. Peiffer, Robert D. Lundberg, John C. Newlove 1990-12-18