4. Closure fasteners
  5. Operators with knobs or handles

Fang-Chang Fan

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Adjustable door lock core

Closure fasteners – Bolt casings
Reexamination Certificate

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Adjustable latch assembly

Closure fasteners – Adjustable backset
Reexamination Certificate

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Door handle

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

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Door handle

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

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Door lock

Closure fasteners – Operators with knobs or handles
Reexamination Certificate

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Profile ID: LFUS-PAI-P-2412189

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