David Duncan Cheek

📍 Springfield, MO: #4 of 47 inventorsTop 9%

🗺 Missouri: #629 of 2,250 inventorsTop 30%

Overall (2017): #452,103 of 506,227Top 90%

Patents 2017

Issued Patents 2017

Showing 1–1 of 1 patents

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