HE

Howard F. Efner

PP Phillips Petroleum: 2 patents #34 of 166Top 25%
📍 Bartlesville, OK: #25 of 112 inventorsTop 25%
🗺 Oklahoma: #86 of 727 inventorsTop 15%
Overall (1994): #31,458 of 165,921Top 20%
2
Patents 1994

Issued Patents 1994

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5347018 Process for producing sulfolane compounds Earl Clark, Jr., Jimmie J. Straw 1994-09-13
5308893 Glass-reinforced grafted branched higher alpha-olefin polymers Mary J. Hagenson, Edwin Boudreaux, Jr. 1994-05-03