FR

Federico Quevedo del Rio

📍 Santander, ES: #4 of 59 inventorsTop 7%
Overall (All Time): #2,320,333 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5071140 Self-pressurized gasket seal — 1991-12-10
4795171 Self-pressurized shaft or closure seal — 1989-01-03