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

Charles Sanchez

Manson, IA: #1 of 4 inventorsTop 25%
Iowa: #8,735 of 15,303 inventorsTop 60%
Overall (All Time): #4,079,529 of 4,157,543Top 100%
1 Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4362338 Safety device to actuate railroad car air brake 1982-12-07