PJ

Peter F. Johansson

LA Lkab Wassara Ab: 2 patents #2 of 9Top 25%
Overall (All Time): #2,025,752 of 4,157,543Top 50%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
9016408 Drill bit for a down-the-hole drill Magnus Hörman 2015-04-28
8992130 Arrangement for a down-the-hole hammer drill for use in soil consolidation through jet grouting Magnus Hörman 2015-03-31