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

Chin-Lung Chao

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Cordless computer keyboard

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

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Receiver assembly of a cordless keyboard

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

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Wrist rest for incorporation with a computer keyboard

Typewriting machines – Means auxiliary to typewriting function – Attachment for guiding fingers or hands of typist
Patent

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Profile ID: LFUS-PAI-P-597780

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