GG

Giuseppe De Grandis

ES Eni S.P.A.: 1 patents #260 of 540Top 50%
📍 Spoltore, IT: #3 of 9 inventorsTop 35%
Overall (All Time): #4,156,732 of 4,157,543Top 100%
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Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
10519738 Safety valve for production wells Paolo Ferrara, Andrea Biondi 2019-12-31