JK

John F. Kulkens

ZR Zenith Radio: 1 patents #81 of 184Top 45%
📍 Paddy Lane, IL: #284 of 467 inventorsTop 65%
🗺 Illinois: #48,934 of 84,256 inventorsTop 60%
Overall (All Time): #4,099,835 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4298815 Cathode ray tube socket with controlled spark gaps Theodore M. Ishihara 1981-11-03