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USPTO Patent Rankings Data through Sept 30, 2025
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Chen Chu HSIEH — 1 Patent

Overall (All Time): #3,841,672 of 4,157,543Top 95%
1 Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5080383 Baby-walker with a temporarily stopping device and a safety belt 1992-01-14