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

Brian E. Duncan — 2 Patents in 2017

3M: 2 patents #269 of 1,379Top 20%
Shoreview, MN: #38 of 140 inventorsTop 30%
Minnesota: #1,418 of 7,066 inventorsTop 25%
Overall (2017): #167,048 of 506,227Top 35%
2 Patents 2017

Issued Patents 2017

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
D804613 Spray gun nozzle Alexander T. Ebertowski, Scott D. Gullicks, Anna M. Hegdahl, Stephen C. P. Joseph 2017-12-05
9802211 Spray head assemblies for liquid spray guns Stephen C. P. Joseph 2017-10-31