Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
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Brian C. Drum — 1 Patent

Millersville, MO: #1 of 1 inventorsTop 100%
Missouri: #13,067 of 23,789 inventorsTop 55%
Overall (All Time): #3,453,096 of 4,157,543Top 85%
1 Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
D507079 Tripod legs and ladder for wildlife feeder 2005-07-05