4. Closure fasteners
  5. Bolts
  6. Sliding

Yaw-Shin Fann

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Cylinder lock

Locks – Operating mechanism – Key
Patent

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Cylinder lock

Locks – Operating mechanism – Key
Patent

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Cylinder lock with removable and replaceable key plug

Locks – Operating mechanism – Key
Patent

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Dead bolt assembly

Closure fasteners – Bolt casings
Patent

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Door lock having a deadbolt assembly with a low-cost corrosion-r

Locks – Special application – For closures
Patent

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Profile ID: LFUS-PAI-P-50120

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