PJ

Pertti Johansson

SA Skanska Sverige Ab: 1 patents #3 of 8Top 40%
📍 Hagfors, SE: #338 of 648 inventorsTop 55%
Overall (All Time): #2,887,565 of 4,157,543Top 70%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
9957797 Method and arrangment for mounting bolts in a tunnel wall Lars Pettersson, Håkan Svensson 2018-05-01