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

William G. MacKenzie

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Camera with integrated flash

Photography and optical equipment – Projector or viewer – With provision for transparency magazine
Patent

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Compact telescoping telephone set

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Cordless telephone system

Recording – communication – or information retrieval equipment – Computer – data processor equipment
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Expansible compact telephone

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

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Expansible compact telephone

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

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Profile ID: LFUS-PAI-P-239305

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