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Baffle vibration reducing

Electrical audio signal processing systems and devices – Having non-electrical feature – Loudspeakers driven in given phase relationship
Reexamination Certificate

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Baffle vibration reducing

Electrical audio signal processing systems and devices – Having non-electrical feature – And loudspeaker
Reexamination Certificate

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Bicycle mounted sound system

Electrical audio signal processing systems and devices – Having non-electrical feature – And loudspeaker
Reexamination Certificate

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Book microphone system

Electrical audio signal processing systems and devices – Having non-electrical feature – Having microphone
Reexamination Certificate

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Boundary-layer microphone

Electrical audio signal processing systems and devices – Having non-electrical feature – Having microphone
Patent

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Briefcase or carrying case with integrated loudspeaker system

Electrical audio signal processing systems and devices – Having non-electrical feature – And loudspeaker
Reexamination Certificate

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Broadband loudspeaker

Electrical audio signal processing systems and devices – Having non-electrical feature – And loudspeaker
Reexamination Certificate

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Button apparatus with a speaker

Electrical audio signal processing systems and devices – Having non-electrical feature – And loudspeaker
Reexamination Certificate

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