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John E. Sands

📍 Delhi, IA: #5 of 7 inventorsTop 75%
🗺 Iowa: #8,735 of 15,303 inventorsTop 60%
Overall (All Time): #3,962,436 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4783094 Safety device for hitch pins — 1988-11-08