US Patent D914198 Handheld smart oral irrigator
Is a
Date Filed
October 8, 2018
0
Date of Patent
March 23, 2021
0
Patent Application Number
29665927
0
Patent Inventor Names
Gang Wang
0
Qing Zhang
0
Xiaowen Liu
0
Xinquan Liu
0
Jinfeng Li
0
Patent Jurisdiction
Patent Number
Patent Primary Examiner
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