US Patent 11357973 Neck-hanging massaging device
Is a
Date Filed
March 9, 2020
0
Date of Patent
June 14, 2022
0
Patent Application Number
16812739
0
Patent Citations
Patent Inventor Names
Hua Xiao
0
Jie Liu
0
Yanfei Chen
0
Zhiguo Wang
0
Patent Jurisdiction
Patent Number
Patent Primary Examiner
CPC Code
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