Patents/Inventors

Jungkun Choi

SeoulKR1 patent

3 Patents

US118492682023
Digital Hearing Device with Microphone in Ear Band
Olive Union, Inc.
0 cites
USD10038262023
Earphone Case
Oliver Union, Inc.
0 cites
USD10038662023
Earphone
Olive Union, Inc.
0 cites