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

Ching Chao Hou — 1 Patent

Overall (All Time): #3,497,308 of 4,157,543Top 85%
1 Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6827704 Safety syringe 2004-12-07