4. Electrical audio signal processing systems and devices
  5. Electro-acoustic audio transducer
  6. Having acoustic wave modifying structure

Bob Ray Beavers

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Hermetically sealed condenser microphone

Electrical audio signal processing systems and devices – Electro-acoustic audio transducer – Having acoustic wave modifying structure
Patent

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Method of manufacturing a wafer fabricated electroacoustic...

Metal working – Method of mechanical manufacture – Electrical device making
Reexamination Certificate

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Wafer fabricated electroacoustic transducer

Metal working – Method of mechanical manufacture – Electrical device making
Patent

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Wafer fabricated electroacoustic transducer

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

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Profile ID: LFUS-PAI-P-477492

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