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Rui-Feng Kuo — 2 Patents

Overall (All Time): #2,170,396 of 4,157,543Top 55%

2 Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #	Title	Co-Inventors	Date
7066673	Structure of a pen	—	2006-06-27
D498495	Ball-point pen top	—	2004-11-16