4. Supports
  5. Easel; book, copy or music score holder
  6. Copyholder with writing machine engaging means

Cornel Chu

Inventor

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Details

Inventor

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Binder

Binder device releasably engaging aperture or notch of sheet – Combined
Patent

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Document holder

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

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Paper fastener

Buckles – buttons – clasps – etc. – Paper fastener – Resiliently biased
Patent

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Paper fastener

Office supplies; artists and teachers materials – Office equipment not elsewhere specified
Patent

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Paper holder

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

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Profile ID: LFUS-PAI-P-85687

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