JH

Jaakko Hakala

VM Valmet Paper Machinery: 2 patents #46 of 217Top 25%
📍 Korpilahti, FI: #3 of 6 inventorsTop 50%
Overall (All Time): #2,301,898 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5210991 Method for making the foundation slabs of a paper machine before the installation proper of the machine Eero Savolainen 1993-05-18
5090846 Method and apparatus for drilling of holes into the mantle of a cylinder Eero Savolainen 1992-02-25