LandOfFree - US Patents - Listing for Electrical audio signal processing systems and devices,Electro-acoustic audio transducer,Microphone capsule only

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Electret assembly for a microphone having a backplate with...

Electrical audio signal processing systems and devices – Electro-acoustic audio transducer – Microphone capsule only

Reexamination Certificate

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Electret capacitor microphone

Electrical audio signal processing systems and devices – Electro-acoustic audio transducer – Microphone capsule only

Reexamination Certificate

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Electret capacitor microphone

Electrical audio signal processing systems and devices – Electro-acoustic audio transducer – Microphone capsule only

Reexamination Certificate

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Electret capacitor microphone

Electrical audio signal processing systems and devices – Electro-acoustic audio transducer – Microphone capsule only

Reexamination Certificate

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Electret capacitor microphone

Electrical audio signal processing systems and devices – Electro-acoustic audio transducer – Microphone capsule only

Reexamination Certificate

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Electret condenser

Electrical audio signal processing systems and devices – Electro-acoustic audio transducer – Microphone capsule only

Reexamination Certificate

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Electret condenser microphone

Electrical audio signal processing systems and devices – Electro-acoustic audio transducer – Microphone capsule only

Reexamination Certificate

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Electret condenser microphone

Electrical audio signal processing systems and devices – Electro-acoustic audio transducer – Microphone capsule only

Reexamination Certificate

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Electret condenser microphone

Electrical audio signal processing systems and devices – Electro-acoustic audio transducer – Microphone capsule only

Reexamination Certificate

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Electret condenser microphone

Electrical audio signal processing systems and devices – Electro-acoustic audio transducer – Microphone capsule only

Reexamination Certificate

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Electret condenser microphone and method of producing same

Electrical audio signal processing systems and devices – Electro-acoustic audio transducer – Microphone capsule only

Reexamination Certificate

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Electret condenser microphone and method of producing same

Electrical audio signal processing systems and devices – Electro-acoustic audio transducer – Microphone capsule only

Reexamination Certificate

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Electret covered with an insulated film and an electret...

Electrical audio signal processing systems and devices – Electro-acoustic audio transducer – Microphone capsule only

Reexamination Certificate

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Electretization method and apparatus

Electrical audio signal processing systems and devices – Electro-acoustic audio transducer – Microphone capsule only

Reexamination Certificate

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Electrical connectors for electro-dynamic loudspeakers

Electrical audio signal processing systems and devices – Electro-acoustic audio transducer – Microphone capsule only

Reexamination Certificate

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Electro-acoustic transducer

Electrical audio signal processing systems and devices – Electro-acoustic audio transducer – Microphone capsule only

Reexamination Certificate

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Electro-acoustic transducer device

Electrical audio signal processing systems and devices – Electro-acoustic audio transducer – Microphone capsule only

Reexamination Certificate

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Electroacoustic microphone

Electrical audio signal processing systems and devices – Electro-acoustic audio transducer – Microphone capsule only

Reexamination Certificate

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Electroacoustic transducer

Electrical audio signal processing systems and devices – Electro-acoustic audio transducer – Microphone capsule only

Reexamination Certificate

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Electroacoustic transducer

Electrical audio signal processing systems and devices – Electro-acoustic audio transducer – Microphone capsule only

Reexamination Certificate

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