SN

Stein Narvestad

📍 Oslo, NO: #577 of 2,623 inventorsTop 25%
Overall (All Time): #1,592,054 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
7017683 Cutter for tunnel boring machine — 2006-03-28
5341889 Ring clamp for a cutter ring in a tunnel drilling machine — 1994-08-30
5253723 Ring cutter for tunnel drilling in rock — 1993-10-19