HH

Harry B. Hammer

PP Phillips Petroleum: 1 patents #819 of 1,401Top 60%
Overall (All Time): #4,047,059 of 4,157,543Top 100%
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Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4368321 Elevated, declining pressure dehydration of poly(arylene sulfide) prepolymerization mixture Fred T. Sherk 1983-01-11