A46D 1/05

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Patent/Pub #TitleFiling DateIssue/Publication DatePatent Owner
9826821 Broom and manufacturing method thereofNov 27, 12Nov 28, 17WUHAN YANGYANG YUANLV MINI-RESERVOIRS CO., LTD.
8918945 Toothbrush with needle-shaped bristles for improving tooth and gum contacting force and teeth-cleaning performance, and method for manufacturing sameJul 28, 10Dec 30, 14BEST WHASUNG CO., LTD.
8522389 Manufacturing method of needle-shaped bristles having short taper length and a toothbrush by same manufacturing methodNov 29, 06Sep 03, 13BEST WHASUNG CO., LTD.
8403425 Processing method for taper of needle-shaped bristle enhanced throughputJul 13, 12Mar 26, 13Not available
8297710 ToothbrushOct 14, 11Oct 30, 12SUNSTAR INC.
6773076 Method of mechanically splitting bristlesOct 24, 01Aug 10, 04PEDEX & CO. GMBH
6322152 Method of making a toothbrushMay 23, 01Nov 27, 01DR. FRESH, LLC
5228753 Process for producing bristle materialsJun 07, 91Jul 20, 93The Procter & Gamble Company