RB

Rolf B. J. R. Blomgren

📍 Åkersberga, SE: #62 of 318 inventorsTop 20%
Overall (All Time): #1,681,535 of 4,157,543Top 45%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
4446661 Spacer means for providing air gaps Jan U. E. Jonsson, Nils H. Edlund 1984-05-08
4443891 Bicycle helmet Ove Johnson 1984-04-24
4274506 Noise shield Nils H. Edlund 1981-06-23