4. Recording, communication, or information retrieval equipment
  5. Video or audio transmission, recording or playback equipment
  6. Element or attachment

Ming-Cheng Chung

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Connection seat for mounting a microphone for exclusive use...

Electrical audio signal processing systems and devices – Electro-acoustic audio transducer – Housed microphone
Reexamination Certificate

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Integrated device for testing tone quality of a plurality of...

Electrical audio signal processing systems and devices – Monitoring/measuring of audio devices
Reexamination Certificate

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Microphone

Recording – communication – or information retrieval equipment – Video or audio transmission – recording or playback equipment – Element or attachment
Design Patent

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Microphone

Recording – communication – or information retrieval equipment – Video or audio transmission – recording or playback equipment – Element or attachment
Design Patent

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Microphone

Recording – communication – or information retrieval equipment – Video or audio transmission – recording or playback equipment – Element or attachment
Design Patent

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Profile ID: LFUS-PAI-P-184574

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