4. Envelopes, wrappers, and paperboard boxes
  5. File folder or file envelope
  6. Including closure

Hsieh Feng-Chuan

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Enforcement structure of a file folder

Envelopes – wrappers – and paperboard boxes – File folder or file envelope – Including closure
Patent

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File folder

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

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File folder having a clip device disposed thereto

Envelopes – wrappers – and paperboard boxes – File folder or file envelope – Including closure
Patent

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Folder

Books – strips – and leaves – Book or leaf holder
Patent

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Profile ID: LFUS-PAI-P-852246

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