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

Douglas J. Duncan — 1 Patent

Beetown, WI: #1 of 2 inventorsTop 50%
Wisconsin: #23,834 of 40,088 inventorsTop 60%
Overall (All Time): #3,750,279 of 4,157,543Top 95%
1 Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5546923 Take-down archery bow 1996-08-20