RS

Robert D. Stopher

📍 Isle, MN: #2 of 7 inventorsTop 30%
🗺 Minnesota: #32,449 of 52,454 inventorsTop 65%
Overall (All Time): #3,644,115 of 4,157,543Top 90%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5880532 Wind-up power source with spring motor and vehicle incorporating same — 1999-03-09