OB

Olaf Bertelsen

BA Bakke Oil Tools, As: 1 patents #2 of 3Top 70%
📍 Jarny, FR: #36 of 71 inventorsTop 55%
Overall (All Time): #3,377,611 of 4,157,543Top 85%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
7174963 Device and a method for disconnecting a tool from a pipe string — 2007-02-13