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Ching S. Yang

Overall (All Time): #2,290,435 of 4,157,543Top 60%

2 Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #	Title	Co-Inventors	Date
5468005	Foldable cart	—	1995-11-21
4756173	Zipper lock	—	1988-07-12