DH

Donald M. Haskell

PP Phillips Petroleum: 1 patents #61 of 198Top 35%
📍 Bartlesville, OK: #46 of 142 inventorsTop 35%
🗺 Oklahoma: #101 of 552 inventorsTop 20%
Overall (1982): #68,826 of 81,411Top 85%
1
Patents 1982

Issued Patents 1982

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4317795 Catalytic alkylation of hydrocarbons Donald J. Makovec 1982-03-02