KK

K. P. Kristjansson

DA Den Norske Stats Oljeselskap A.S.: 1 patents #59 of 220Top 30%
📍 Steinkjer, NO: #1 of 7 inventorsTop 15%
Overall (All Time): #3,907,244 of 4,157,543Top 95%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4941511 Device with a valve function Trond V. Johansen, Ola Ruch, Ludvig Naess, S. F. Utengen 1990-07-17