EP

Ethelwolbo P. Perez

PP Phillips Petroleum: 2 patents #574 of 1,401Top 45%
Overall (All Time): #2,357,746 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4456461 Separation of low boiling constituents from a mixed gas — 1984-06-26
4444577 Cryogenic gas processing — 1984-04-24