US Patent D947539 Toothbrush head
Is a
Date Filed
September 9, 2020
0
Date of Patent
April 5, 2022
0
Patent Application Number
29749788
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Patent Citations Received
Patent Inventor Names
Rongjin Zheng
0
Fenfen Shi
0
Jiacheng Huang
0
Xiu Zou
0
Yubin Li
0
Yuqiang Zhao
0
Zhidong Wang
0
Patent Jurisdiction
Patent Number
Patent Primary Examiner
CPC Code
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