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Hu Cho-Kai

Overall (All Time): #2,317,838 of 4,157,543Top 60%

2 Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #	Title	Co-Inventors	Date
D318489	Combined ruler and writing instrument unit	—	1991-07-23
D318294	Writing instrument	—	1991-07-16