KV

Kjell Vigander

AH A/S Hoyer-Ellefsen: 2 patents #2 of 10Top 20%
NA Norwegian Contractors A.S.: 1 patents #5 of 12Top 45%
📍 Vikersund, NO: #6 of 60 inventorsTop 10%
Overall (All Time): #1,666,290 of 4,157,543Top 45%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
5074715 Oil storage system — 1991-12-24
4234270 Marine structure Trygve Gjerde, Dag Nikolai Jenssen, Bjorn Hjertas 1980-11-18
4188157 Marine structure — 1980-02-12