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

Yun Chu

Inventor

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Front panel of a computer main frame

Recording – communication – or information retrieval equipment – Video or audio transmission – recording or playback equipment – Telephone equipment
Patent

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Front panel of a computer main frame

Recording – communication – or information retrieval equipment – Video or audio transmission – recording or playback equipment – Telephone equipment
Patent

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Multi-mode power supply device of wireless earphone

Telecommunications – Transmitter and receiver at same station – Radiotelephone equipment detail
Reexamination Certificate

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Profile ID: LFUS-PAI-P-2005833

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