JL

John Langkau

EC Eveready Battery Company: 1 patents #2 of 8Top 25%
📍 Rocky River, OH: #3 of 12 inventorsTop 25%
🗺 Ohio: #715 of 3,574 inventorsTop 25%
Overall (1989): #94,434 of 140,708Top 70%
1
Patents 1989

Issued Patents 1989

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4855195 Electrochemical cell with internal circuit interrupter Philip Georgopoulos 1989-08-08