JK

Johannus W. G. Kole

U.S. Philips: 1 patents #4,133 of 8,851Top 50%
Overall (All Time): #3,972,836 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4660139 Generator for generating a high d.c. voltage Johannes H. M. Nellen, Frans Slegers, Johannes H. B. Otten 1987-04-21