4. Electrical generator or motor structure
  5. Dynamoelectric
  6. Reciprocating

William John Metheringham

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Acoustic actuators

Electrical audio signal processing systems and devices – Electro-acoustic audio transducer – Electrostrictive – magnetostrictive – or piezoelectric
Reexamination Certificate

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Acoustic device

Electrical audio signal processing systems and devices – Electro-acoustic audio transducer – Driven diverse static structure
Reexamination Certificate

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Magnetostrictive actuator

Electrical generator or motor structure – Dynamoelectric – Reciprocating
Reexamination Certificate

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Profile ID: LFUS-PAI-P-2839761

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