4. Locks
  5. Operating mechanism
  6. Key

Chao C. Shen

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Adjustable bolt for tubular locksets

Closure fasteners – Bolt casings
Patent

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Adjustable latch assembly of lever lock

Closure fasteners – Adjustable backset
Patent

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Cartridge of a panic proof lock

Locks – Special application – For closures
Patent

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Cylinder body of a vehicle steering wheel lock

Tools and hardware – Locking or closing device – Lock – latch or bolt
Patent

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Cylindrical lever type lock structure for handicapped people

Closure fasteners – Operators with knobs or handles
Patent

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Profile ID: LFUS-PAI-P-663024

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