4. Binder device releasably engaging aperture or notch of sheet
  5. Sheet retainer travels arcuate path

Kung Cheng

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Assembling and disassembling device for ring binders

Binder device releasably engaging aperture or notch of sheet – Sheet retainer travels arcuate path
Patent

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Batch scanning method of an image scanner

Image analysis – Image sensing
Reexamination Certificate

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Method and system for measuring audio and video...

Television – Synchronization – Locking of video or audio to reference timebase
Reexamination Certificate

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Profile ID: LFUS-PAI-P-1386850

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