DF

David N. Fronek

BI Brother Industries: 1 patents #202 of 325Top 65%
📍 Edina, MN: #600 of 909 inventorsTop 70%
🗺 Minnesota: #32,449 of 52,454 inventorsTop 65%
Overall (All Time): #3,502,746 of 4,157,543Top 85%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6520696 Tape supply cartridge James Francis Huss 2003-02-18