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

Christopher Sean Beckett

Inventor

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Multiple waveguide coaxial ceiling loudspeaker

Electrical audio signal processing systems and devices – Electro-acoustic audio transducer – Plural or compound reproducers
Reexamination Certificate

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Surface mountable loudspeaker

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

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Profile ID: LFUS-PAI-P-2556921

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