JD

John Dufelmeier

FE Fellowes: 1 patents #4 of 15Top 30%
📍 Chicago, IL: #502 of 1,710 inventorsTop 30%
🗺 Illinois: #2,576 of 8,257 inventorsTop 35%
Overall (2022): #183,289 of 548,613Top 35%
1
Patents 2022

Issued Patents 2022

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
D956518 Hygiene key Xiao-Guang Wang 2022-07-05