LH

Leo Hakkinen

TO Tamrock Oy: 1 patents #4 of 12Top 35%
📍 Tampere, FI: #6 of 37 inventorsTop 20%
Overall (1994): #100,567 of 165,921Top 65%
1
Patents 1994

Issued Patents 1994

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5297642 Apparatus for storing drill rods Pauli Rajakallio, Jouko Kaakkurivaara, Pekka Koskelo, Markku Launiemi 1994-03-29