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USPTO Patent Rankings Data through Sept 30, 2025
RC

Ruth E. Cole — 1 Patent

Sioux Falls, SD: #257 of 532 inventorsTop 50%
South Dakota: #1,077 of 2,308 inventorsTop 50%
Overall (All Time): #3,947,854 of 4,157,543Top 95%
1 Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4729493 Powered seed spacer John M. Cole 1988-03-08