PH

Pekka Haikkala

OA Oy Tampella Ab: 2 patents #1 of 10Top 10%
📍 Tampere, FI: #1 of 16 inventorsTop 7%
Overall (1982): #9,292 of 81,411Top 15%
2
Patents 1982

Issued Patents 1982

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4333613 Apparatus for continuously grinding wood under pressure and continuously discharging groundwood 1982-06-08
4327870 Apparatus for continuously grinding wood under pressure and continuously discharging groundwood 1982-05-04