DR

Donald Frank Rohr

PP Phillips Petroleum: 1 patents #54 of 170Top 35%
📍 Rexford, NY: #3 of 7 inventorsTop 45%
🗺 New York: #1,258 of 5,342 inventorsTop 25%
Overall (1989): #119,061 of 140,708Top 85%
1
Patents 1989

Issued Patents 1989

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4866211 Hydrocarbon conversion processes Francis M. Brinkmeyer 1989-09-12