Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
EC

Edward N. Colburn

Minneapolis, MN: #3,628 of 6,114 inventorsTop 60%
Minnesota: #32,449 of 52,454 inventorsTop 65%
Overall (All Time): #4,105,691 of 4,157,543Top 100%
1 Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4187035 Keeper pin system for shovel teeth 1980-02-05