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USPTO Patent Rankings Data through Sept 30, 2025
ZC

Zong Ta Chang — 1 Patent

Zhubei City, TW: #917 of 1,506 inventorsTop 65%
Overall (All Time): #3,703,532 of 4,157,543Top 90%
1 Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
D401310 Kitchen sink 1998-11-17