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Paul R. Marks

SB Shell Internationale Research Maatschappij B.V.: 1 patents #62 of 211Top 30%
Overall (All Time): #3,963,853 of 4,157,543Top 100%
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Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4788090 Fire resistant plastic pipe Michael H. Collins 1988-11-29