KC

Keith S. Champlin

📍 Minneapolis, MN: #7 of 227 inventorsTop 4%
🗺 Minnesota: #35 of 2,022 inventorsTop 2%
Overall (1989): #9,176 of 140,708Top 7%
3
Patents 1989

Issued Patents 1989

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
4881038 Electric battery testing device with automatic voltage scaling to determine dynamic conductance — 1989-11-14
4825170 Electronic battery testing device with automatic voltage scaling — 1989-04-25
4816768 Electronic battery testing device — 1989-03-28