RK

Roland Kolb

BC Bbc Brown, Boveri & Company: 1 patents #46 of 151Top 35%
📍 Dielsdorf, CH: #1 of 2 inventorsTop 50%
Overall (1989): #62,562 of 140,708Top 45%
1
Patents 1989

Issued Patents 1989

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4861244 Spiral displacement machine with concave circular arcs sealingly engaging circular steps Jurg Weber 1989-08-29