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Device for the permanent binding of sheaves of paper and method

Binder device releasably engaging aperture or notch of sheet – Sheet retainer with releasable keeper – Keeper including wedge type securing means
Patent

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Fastening system

Binder device releasably engaging aperture or notch of sheet – Sheet retainer with releasable keeper – Keeper including wedge type securing means
Reexamination Certificate

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File mechanism

Binder device releasably engaging aperture or notch of sheet – Sheet retainer with releasable keeper – Keeper including wedge type securing means
Reexamination Certificate

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File mechanism

Binder device releasably engaging aperture or notch of sheet – Sheet retainer with releasable keeper – Keeper including wedge type securing means
Reexamination Certificate

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Folder

Binder device releasably engaging aperture or notch of sheet – Sheet retainer with releasable keeper – Keeper including wedge type securing means
Patent

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Hinge binder device

Binder device releasably engaging aperture or notch of sheet – Sheet retainer with releasable keeper – Keeper including wedge type securing means
Patent

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Hinge binder device

Binder device releasably engaging aperture or notch of sheet – Sheet retainer with releasable keeper – Keeper including wedge type securing means
Patent

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Note-book

Binder device releasably engaging aperture or notch of sheet – Sheet retainer with releasable keeper – Keeper including wedge type securing means
Patent

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Pre-assembled post lock assembly for loose leaf binders

Binder device releasably engaging aperture or notch of sheet – Sheet retainer with releasable keeper – Keeper including wedge type securing means
Patent

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Ratchet binding device for multiple sheets of paper

Binder device releasably engaging aperture or notch of sheet – Sheet retainer with releasable keeper – Keeper including wedge type securing means
Patent

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