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

Clifford T. Calfee

Inventor

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Inventor

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Adjustable document holder for computer workstation

Supports – Easel; book – copy or music score holder – Copyholder with writing machine engaging means
Patent

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Computer monitor support

Recording – communication – or information retrieval equipment – Computer – data processor equipment – Element or attachment
Design Patent

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Document holder

Office supplies; artists and teachers materials – Office equipment not elsewhere specified – Holder or file
Design Patent

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Document holder

Recording – communication – or information retrieval equipment – Computer – data processor equipment – Element or attachment
Design Patent

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Document holder for computer workstation

Supports – Easel; book – copy or music score holder – Copyholder with writing machine engaging means
Reexamination Certificate

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Profile ID: LFUS-PAI-P-412674

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