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

Albert C. Callens

Taunton, MN: #1 of 1 inventorsTop 100%
Minnesota: #19,064 of 52,454 inventorsTop 40%
Overall (All Time): #1,535,005 of 4,157,543Top 40%
3 Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
8834090 Grappling fork attachment system 2014-09-16
8061957 Grappling fork attachment system 2011-11-22
7513732 Loader attachment system 2009-04-07