Inventor

CHUNG CHIU-HUNG

TW2 patents

Patents

2 patents

US8205649B2Jun 26, 2012

Cutter assembly and electric pencil sharpener

YEH LONG-JYI6 citations73

US8505596B2Aug 13, 2013

Cutter assembly for an electric pencil sharpener

YEH LONG-JYI2 citations51