Daqiu Yao has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
Abstract: Disclosed is a hairbrush, which comprising a combing portion, wherein the combing portion comprises a combing body, wherein the combing body defines a central air channel and a plurality of ventilating openings communicated with the central air channel for ventilating.
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