发明名称 Chopsticks with a magnetic open device
摘要 Chopsticks with a magnetic open device consists of a pair of chopsticks that each chopstick has installed a magnetic disc. The polarity of the magnetic discs of chopsticks is properly arranged to let chopsticks attract each other and to form a about 30 degrees of angle to facilitate grasping foods.
申请公布号 US2009167040(A1) 申请公布日期 2009.07.02
申请号 US20070006001 申请日期 2007.12.29
申请人 TONG KUN YUAN;TONG DAVID 发明人 TONG KUN YUAN;TONG DAVID
分类号 B25B9/00 主分类号 B25B9/00
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