US Patent 11381897 Variable eartip for earphone
Is a
Date Filed
February 10, 2021
0
Date of Patent
July 5, 2022
0
Patent Application Number
17172312
0
Patent Citations Received
Patent Inventor Names
Jeong Kwon Park
0
Yun Uk Ha
0
Byung Il Min
0
Won Kil Yang
0
Ju Heon Ko
0
Jong Won Lee
0
Patent Jurisdiction
Patent Number
Patent Primary Examiner
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