4. Recording, communication, or information retrieval equipment
  5. Computer, data processor equipment
  6. Pocket type

David L. Chaiken

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Closed travel guide

Recording – communication – or information retrieval equipment – Computer – data processor equipment – Pocket type
Design Patent

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Open travel guide

Recording – communication – or information retrieval equipment – Computer – data processor equipment – Pocket type
Design Patent

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Wrist communicator

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

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Profile ID: LFUS-PAI-P-2027162

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