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

ACAcera: 1 patents #1 of 6Top 20%
Winchester, MA: #59 of 138 inventorsTop 45%
Massachusetts: #4,998 of 14,123 inventorsTop 40%
Overall (2021): #482,705 of 548,734Top 90%
1 Patents 2021

Issued Patents 2021

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
11016282 Handheld mobile light source Thomas V. Root, Michael Cook, Thomas Davis, Michael S. Epstein, Carlton S. Jones 2021-05-25