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

Queng Chi Huang

Overall (All Time): #3,467,817 of 4,157,543Top 85%
1 Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6681445 Pulley set for doors and windows 2004-01-27