OS

Osmar Jose Leite da Silva

PS Petróleo Brasileiro S.A.—Petrobras: 1 patents #235 of 1,087Top 25%
📍 Santos, BR: #4 of 24 inventorsTop 20%
Overall (All Time): #3,257,757 of 4,157,543Top 80%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
7987946 Tropicalized petroleum sector cut-off valve gear box system and decontamination method for gear boxes — 2011-08-02