4. Electrical generator or motor structure
  5. Non-dynamoelectric
  6. Piezoelectric elements and devices

Andrew Matheson

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Loudspeaker

Electrical audio signal processing systems and devices – Electro-acoustic audio transducer – Detail of mechanical vibration coupling to transducer
Reexamination Certificate

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Piezoelectric structures

Electrical generator or motor structure – Non-dynamoelectric – Piezoelectric elements and devices
Reexamination Certificate

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Profile ID: LFUS-PAI-P-3032149

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