Chor Keung Chang

📍 Cleveland, OH: #637 of 1,781 inventorsTop 40%

🗺 Ohio: #30,338 of 73,341 inventorsTop 45%

Overall (All Time): #2,260,555 of 4,157,543Top 55%

Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #	Title	Co-Inventors	Date
D394372	Tool for coring and cutting food	—	1998-05-19
D386651	Tool for coring and cutting	—	1997-11-25