4. Closure fasteners
  5. Bolts
  6. Sliding

Frederick M. Hensley

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Dual lock with simultaneous retraction of latch and deadbolt by

Locks – Special application – For control and machine elements
Patent

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Interchangeable lock core cylinder

Locks – Operating mechanism – Key
Patent

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Latch holdback mechanism for a mortise lock

Closure fasteners – Bolts – Sliding
Patent

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Lock chassis

Closure fasteners – Rollback and spindle connection
Reexamination Certificate

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Lockset with motorized system for locking and unlocking

Locks – Operating mechanism – Using a powered device
Patent

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Profile ID: LFUS-PAI-P-688914

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