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San-Tsai Chang

Overall (All Time): #2,221,768 of 4,157,543Top 55%

2 Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #	Title	Co-Inventors	Date
6174212	Water ski boot with two-piece upper to facilitate insertion of a skier's foot thereinto	—	2001-01-16
4707884	Foldable handle for a skateboard	—	1987-11-24