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

James W. Brinkerhoff

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Microphone or similar article

Recording – communication – or information retrieval equipment – Computer – data processor equipment
Patent

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Portable radio battery or similar article

Equipment for production – distribution – or transformation of ene – Energy conversion or transformation
Patent

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Portable two-way radio or similar article

Recording – communication – or information retrieval equipment – Video or audio transmission – recording or playback equipment – Radio transceiver
Patent

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Profile ID: LFUS-PAI-P-1081451

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