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USPTO Patent Rankings Data through Sept 30, 2025
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Richard P. Schroeder

Chesterfield, MO: #3,708 of 6,461 inventorsTop 60%
Missouri: #13,067 of 23,789 inventorsTop 55%
Overall (All Time): #3,660,147 of 4,157,543Top 90%
1 Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5951427 Planocentric hypocycloidal gear 1999-09-14