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

David C. Paulsen

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Portable computer

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

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Portable computer

Supports: cabinet structure – With movable components – Having biasing means
Patent

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Portable computer

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

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Rotatable connector mechanism

Geometrical instruments
Patent

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Profile ID: LFUS-PAI-P-581582

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