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USPTO Patent Rankings Data through Sept 30, 2025
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Darwin Carroll — 1 Patent in 2024

Columbus Junction, IA: #1 of 1 inventorsTop 100%
Iowa: #539 of 1,728 inventorsTop 35%
Overall (2024): #498,089 of 561,600Top 90%
1 Patents 2024

Issued Patents 2024

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
11903376 Dual function applicator system and machine 2024-02-20