DC

David de Carvalho

📍 Gravatá, BR: #292 of 703 inventorsTop 45%
Overall (All Time): #3,210,670 of 4,157,543Top 80%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
8196785 Air vent for liquid containers, based on the principle of communicating vessels 2012-06-12