JK

Johan Willem Koene

HB Hollandse Signaalapparaten B.V.: 1 patents #29 of 87Top 35%
📍 Borne, NL: #17 of 81 inventorsTop 25%
Overall (All Time): #2,252,236 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5943752 Arrangement for the manufacture of multilayers — 1999-08-31
4447114 Optical slip rings — 1984-05-08