JK

Jorma T. Koppanen

OO Oras Oy: 1 patents #2 of 11Top 20%
📍 Rauma, FI: #26 of 82 inventorsTop 35%
Overall (All Time): #4,052,886 of 4,157,543Top 100%
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Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4387880 Single-grip mixing valve Risto A. Saarisalo 1983-06-14