RS

Robert E. Slingerland

NI Nl Industries: 2 patents #47 of 213Top 25%
Overall (All Time): #2,341,531 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
4652606 Water-based drilling fluids having enhanced fluid loss control — 1987-03-24
4650593 Water-based drilling fluids having enhanced fluid loss control — 1987-03-17