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

E. Vernon Brown, Jr.

Portland, OR: #6,022 of 9,213 inventorsTop 70%
Oregon: #17,068 of 28,073 inventorsTop 65%
Overall (All Time): #4,038,757 of 4,157,543Top 100%
1 Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4463572 Soft ice cream machine 1984-08-07