JJ

Jorma Järvelä

OA Oy Atlas Copco Rotex Ab: 1 patents #2 of 4Top 50%
📍 Tampere, FI: #805 of 2,125 inventorsTop 40%
Overall (All Time): #2,175,067 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
7143846 Method for drilling and drilling apparatus to enable reverse circulation Vesa Järvelä 2006-12-05
5590726 Drilling apparatus Vesa Järvelä 1997-01-07