OT

Ossi Tienari

OA Oy Tampella Ab: 1 patents #2 of 10Top 20%
📍 Ikaalinen, FI: #1 of 1 inventorsTop 100%
Overall (1989): #71,824 of 140,708Top 55%
1
Patents 1989

Issued Patents 1989

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4848485 Method of and an arrangement for controlling rock drilling Juha Piipponen 1989-07-18