JC

John A. Christensen

ZE Zenith Electronics: 1 patents #208 of 411Top 55%
Overall (All Time): #3,984,875 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
4704565 Dynamically converging electron gun system Allen P. Blacker, Khem Garewal 1987-11-03