JK

John E. Kopala

GT Gnb Technologies: 2 patents #11 of 37Top 30%
📍 Elgin, IL: #243 of 644 inventorsTop 40%
🗺 Illinois: #34,584 of 84,256 inventorsTop 45%
Overall (All Time): #2,222,658 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
6183903 Plastic battery container having reduced end wall deflection Kris H. Campbell 2001-02-06
6117588 Detachable battery handle assembly Kris H. Campbell 2000-09-12