IR

Ivan O. Ramnesten

FF Forenade Fabriksverken: 2 patents #1 of 35Top 3%
📍 Eskilstuna, SE: #75 of 210 inventorsTop 40%
Overall (All Time): #2,356,353 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4429561 Mandrel for cold forging internally profiled tubes or cylinders — 1984-02-07
4428222 Cold forging mandrel with threads — 1984-01-31