JM

John T. Madell

📍 Western Springs, IL: #108 of 185 inventorsTop 60%
🗺 Illinois: #48,934 of 84,256 inventorsTop 60%
Overall (All Time): #3,659,759 of 4,157,543Top 90%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5950171 System for determining hypothetical book value — 1999-09-07