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

Cheng Liang

Overall (2003): #249,076 of 273,478Top 95%
1 Patents 2003

Issued Patents 2003

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6622407 Rubber plug for a water ball to prevent from having bubbles 2003-09-23