发明名称 Educational drinking device
摘要 The present invention provides a disposable educational drinking device for learning such things as the letters of the alphabet or numbers or geometric shapes. The disposable drinking device can be converted to a reusable drinking device. The disposable drinking device also has a mechanical mean to center drinking spout between handles.
申请公布号 US2007163984(A1) 申请公布日期 2007.07.19
申请号 US20070726443 申请日期 2007.03.22
申请人 发明人 NGUYEN WILLIAM H.;BUI DIEN D.;NHAN DAVIS D.H.;ZHOU PEIGUANG
分类号 A61J9/00 主分类号 A61J9/00
代理机构 代理人
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