David Duncan Cheek

📍 Springfield, MO: #267 of 510 inventorsTop 55%

🗺 Missouri: #13,067 of 23,789 inventorsTop 55%

Overall (All Time): #2,931,157 of 4,157,543Top 75%

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Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
9569981	Mathematics teaching aid	—	2017-02-14