GR

Geraldo Afonso Spinelli Martins Ribeiro

PS Petróleo Brasileiro S.A.—Petrobras: 1 patents #235 of 1,087Top 25%
Overall (All Time): #3,609,305 of 4,157,543Top 90%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6036749 Helical separator Divonsir Lopes, Osvaldo Roberto Do Vale, Fernando De Almeida Fran.cedilla.a, Eugenio Spano Rosa, Mauricio Gargaglione Prado 2000-03-14