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

Russel Cheng

Overall (All Time): #3,437,148 of 4,157,543Top 85%
1 Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
7152787 Handheld system and method for age verification 2006-12-26