4. Acoustics
  5. Plural diaphragm sound sources
  6. Three diaphragms

Dennis A. Tracy

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Loudspeaker system

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

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Low profile loudspeaker assembly

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

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Speaker assembly

Acoustics – Plural diaphragm sound sources – Three diaphragms
Patent

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Speaker assembly

Acoustics – Plural diaphragm sound sources
Reexamination Certificate

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Speaker assembly

Acoustics – Plural diaphragm sound sources – Plural chambers
Reexamination Certificate

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Profile ID: LFUS-PAI-P-515892

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