Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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David Royce Edwards — 1 Patent in 2021

Ames, IA: #39 of 159 inventorsTop 25%
Iowa: #535 of 1,785 inventorsTop 30%
Overall (2021): #485,861 of 548,734Top 90%
1 Patents 2021

Issued Patents 2021

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
10912892 Substance delivery apparatus, substance delivery system and method of substance delivery 2021-02-09