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

Arthur L. Cohen

Inventor

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Audio and image digital file transfer device

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

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Circuit and method for providing an auto-off capability for...

Telecommunications – Transmitter and receiver at same station – Radiotelephone equipment detail
Reexamination Certificate

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Circuit and method for providing an auto-off capability for...

Telecommunications – Transmitter – Power control – power supply – or bias voltage supply
Reexamination Certificate

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Profile ID: LFUS-PAI-P-2427211

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