4. Bleaching and dyeing; fluid treatment and chemical modification
  5. Treatment of hides, skins, feathers and animal tissues
  6. Tanning

Chien-Kai Huang

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Chair adjustable device

Chairs and seats – Back movement resiliently opposed in operating position – Back and seat adjust simultaneously
Reexamination Certificate

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Punch

Office supplies; artists and teachers materials – Office equipment not elsewhere specified – Perforating or cutting
Design Patent

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Stamping device having a reversible printing member

Printing – Printing members and inkers – Pad inker
Reexamination Certificate

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Staple expelling device for staplers

Elongated-member-driving apparatus – With means to support member and/or work relative to driver – Work immobilizer
Reexamination Certificate

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Stapler

Bleaching and dyeing; fluid treatment and chemical modification – Treatment of hides – skins – feathers and animal tissues – Tanning
Design Patent

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Profile ID: LFUS-PAI-P-2478413

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