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

Yeong-San Yang

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Copyholder for attachment to a computer keyboard

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

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Draft-paper rack for a computer

Typewriting machines – Means auxiliary to typewriting function – Attachment for holding an article
Patent

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Profile ID: LFUS-PAI-P-708170

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