DO

D. D. Orrell

CO Conoco: 1 patents #310 of 638Top 50%
Overall (All Time): #4,041,553 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
4473465 Eliminating foaming in hydrocarbon distillations Fred C. Veatch 1984-09-25