RK

Roland Kallvik

SA Sandvik Ab: 1 patents #252 of 518Top 50%
📍 Baie-Saint-Paul, CA: #4 of 11 inventorsTop 40%
Overall (All Time): #3,695,386 of 4,157,543Top 90%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5803195 System, method and cutterhead for dry full-area drilling Karl T. Haugen, Gert Lovgren, Stig-åke Brolund 1998-09-08