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John R. Stupero

📍 Rush City, MN: #10 of 12 inventorsTop 85%
🗺 Minnesota: #32,449 of 52,454 inventorsTop 65%
Overall (All Time): #3,643,865 of 4,157,543Top 90%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5879233 Duplicate card game — 1999-03-09