Charles Francis Seymour

📍 Chisago City, MN: #28 of 53 inventorsTop 55%

🗺 Minnesota: #32,449 of 52,454 inventorsTop 65%

Overall (All Time): #3,243,826 of 4,157,543Top 80%

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Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
7906719	Practice drumstick	—	2011-03-15