John Dufelmeier

FE Fellowes: 1 patents #98 of 173Top 60%

📍 Chicago, IL: #7,538 of 13,327 inventorsTop 60%

🗺 Illinois: #48,934 of 84,256 inventorsTop 60%

Overall (All Time): #2,665,890 of 4,157,543Top 65%

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Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
D956518	Hygiene key	Xiao-Guang Wang	2022-07-05