JN

John C. Napper

📍 International Falls, MN: #6 of 14 inventorsTop 45%
🗺 Minnesota: #32,449 of 52,454 inventorsTop 65%
Overall (All Time): #3,936,335 of 4,157,543Top 95%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4861051 Rehabilitation walker device 1989-08-29