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Chi-Li Hsieh

Overall (All Time): #2,263,906 of 4,157,543Top 55%

2 Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #	Title	Co-Inventors	Date
5803583	Pen with light-emitting means	—	1998-09-08
5405208	Pen with illuminating function	—	1995-04-11