发明名称 Toothbrush having a bristle pattern providing enhanced cleaning
摘要 A toothbrush having a plurality of peripheral bristle tufts and a plurality of adjacent bristle bars located internally within the head thereto, which bristle bars provide support for the peripheral bristle tufts during brushing, such that the stiffness and associated cleaning ability of the peripheral bristle tufts is enhanced.
申请公布号 US6276021(B1) 申请公布日期 2001.08.21
申请号 US19990415385 申请日期 1999.10.08
申请人 COLGATE-PALMOLIVE COMPANY 发明人 HOHLBEIN DOUGLAS J.
分类号 A46B9/04;A46B9/06;A61C17/00;(IPC1-7):A46B9/04 主分类号 A46B9/04
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