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

John H. Cowgill

SPSportniks: 1 patents #1 of 2Top 50%
Otis, OR: #1 of 1 inventorsTop 100%
Oregon: #630 of 2,069 inventorsTop 35%
Overall (2002): #189,585 of 266,432Top 75%
1 Patents 2002

Issued Patents 2002

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
D456595 Hat which can serve as a megaphone Charles W. Elroy, Jr. 2002-05-07