4. Acoustics
  5. Diaphragm
  6. Mounting or suspension means

Stephen Halsall

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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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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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Loudspeaker drive unit

Acoustics – Diaphragm – Mounting or suspension means
Reexamination Certificate

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Profile ID: LFUS-PAI-P-2786497

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