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Wu-Chieh Chang

Overall (All Time): #1,549,433 of 4,157,543Top 40%

3 Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #	Title	Co-Inventors	Date
D653520	Folding knife	—	2012-02-07
D456545	Flashlight	—	2002-04-30
D455511	Flashlight	—	2002-04-09