SH

Sirpa Hamala

OA Oy Tampella Ab: 1 patents #5 of 10Top 50%
📍 Tampere, FI: #6 of 16 inventorsTop 40%
Overall (1982): #30,758 of 81,411Top 40%
1
Patents 1982

Issued Patents 1982

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4336189 Process for recovering lignosulfonates from spent sulfite liquor Seppo Koivunen, Anna-Kaisa Kontturi, Veli Sarkkinen 1982-06-22