AV

Arne Vingerhagen

DA Den Norske Stats Oljeselskap A.S.: 1 patents #59 of 220Top 30%
📍 Sandnes, NO: #126 of 289 inventorsTop 45%
Overall (All Time): #3,915,424 of 4,157,543Top 95%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4971307 Device for joining of pipelines Kai Killerud, Audun Bratseth 1990-11-20