4. Recording, communication, or information retrieval equipment
  5. Video or audio transmission, recording or playback equipment
  6. Telephone equipment

Richard P. Howarth

Inventor

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Acoustic systems for electronic devices

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

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Adapter

Equipment for production – distribution – or transformation of ene – Energy conversion or transformation – Transformer – rectifier or casing therefor
Design Patent

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Adapter plug

Equipment for production – distribution – or transformation of ene – Distribution – modification or control – Connector – conductor or housing therefor
Design Patent

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Battery pack

Equipment for production – distribution – or transformation of ene – Energy conversion or transformation – Battery or casing therefor
Design Patent

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Cable

Equipment for production – distribution – or transformation of ene – Distribution – modification or control – Connector – conductor or housing therefor
Design Patent

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Profile ID: LFUS-PAI-P-682094

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