JK

Joseph M. Koemans

U.S. Philips: 1 patents #4,133 of 8,851Top 50%
Overall (All Time): #4,090,772 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
4271373 Cathode ray tube with inclined electrostatic field lens Erich E. Himmelbauer 1981-06-02