RW

Roger Vieira Witter

PS Petróleo Brasileiro S.A.—Petrobras: 1 patents #235 of 1,087Top 25%
📍 Contagem, BR: #8 of 19 inventorsTop 45%
Overall (All Time): #3,573,475 of 4,157,543Top 90%
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Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6193092 Highly resilient, non-structural floating roof for tanks for storing liquids — 2001-02-27