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US7673484B1
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Key lock assembly
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US4639024A
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Simultaneously operated dead bolt lock and security chain
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US4576023A
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Door stile lock and latch bolt assembly
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US4570471A
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Engagement of lock body within a hollow door-stile
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US4580819A
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Security chain stored interior of lock housing
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US4573334A
|
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Deadbolt lock adjustable for mounting in doors of various thicknesses
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US4489577A
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Coupling of keyway rosette to lock body
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US4577896A
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Strike plate and security chain latch
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US4474394A
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Reinforced assembly of strike plate to door frame
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US3961508A
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Lock cylinder having a releasable catch
|
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US3934437A
|
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Door bolt lock
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DE1553315A1
|
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Rotary cylinder lock
|
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DE1428504A1
|
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Cylinder lock
|
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CA650292A
|
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Safety lock
|
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CA845396A
|
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Rotary cylinder lock
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CA703321A
|
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Mortice lock
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