SD

Susanne B. Doe

PP Phillips Petroleum: 1 patents #819 of 1,401Top 60%
Overall (All Time): #3,992,456 of 4,157,543Top 100%
1
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Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4577492 Analytical method and apparatus Albert G. Holba, William B. Hughes 1986-03-25