RV

Risto Vainio

VA Valmet Aktiebolag: 1 patents #187 of 408Top 50%
📍 Tuusula, FI: #46 of 76 inventorsTop 65%
Overall (All Time): #3,655,895 of 4,157,543Top 90%
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Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5932069 Paper machine roll with heated ends in a soft calender or supercalender and method for calendering a web Harri Kuosa, Markku Kyytsonen, Rob Stapels, Vesa Ijas, Jouko Meronen +1 more 1999-08-03