4. Electrical audio signal processing systems and devices
  5. Electro-acoustic audio transducer
  6. Mounting or support feature of housed loudspeaker

William To

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Flush mount duplex-pivoting speaker unit

Recording – communication – or information retrieval equipment – Video or audio transmission – recording or playback equipment – Speaker or housing therefor
Patent

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Flush-mount pivoting speaker

Electrical audio signal processing systems and devices – Electro-acoustic audio transducer – Mounting or support feature of housed loudspeaker
Patent

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Profile ID: LFUS-PAI-P-1277076

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