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Andrew C. Derr

ZE Zenith Electronics: 1 patents #208 of 411Top 55%
Overall (All Time): #3,869,373 of 4,157,543Top 95%
1
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
4990822 Focusing electrode assembly for a color cathode ray tube electron gun Kenneth A. Guzowski 1991-02-05