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Chao-Nan Chang

Overall (All Time): #2,108,567 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
D640167 Shoe buckle 2011-06-21
6718602 Structure of a buckle to fasten shoelaces 2004-04-13