Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Frank E. Robinson — 3 Patents in 2021

WPWhg Properties: 3 patents #2 of 7Top 30%
Schwenksville, PA: #5 of 20 inventorsTop 25%
Pennsylvania: #597 of 7,685 inventorsTop 8%
Overall (2021): #83,292 of 548,734Top 20%
3 Patents 2021

Issued Patents 2021

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
11022393 Trigger guard assemblies 2021-06-01
11015893 Lever-coupled device for selectively preventing a firearm from discharging 2021-05-25
10895426 Gas tube assemblies for gas-actuated firearms William H. Geissele 2021-01-19