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US4647734A
|
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Binary switch lock
|
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US4641506A
|
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Sliding bolt locking device
|
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US4578968A
|
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Flush mount lock assembly
|
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US4416129A
|
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Cylinder lock with key removable plug
|
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US4295016A
|
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Garage door lock
|
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US4272975A
|
|
Cylinder lock with key removable core
|
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US4191037A
|
|
Cylinder lock with key responsive removable core
|
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US4057987A
|
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Key controlled security apparatus
|
|
US3970214A
|
|
Method and apparatus for handling coiled springs
|
|
US3973421A
|
|
Key controlled security apparatus
|
|
US3978764A
|
|
Automatic key duplicating apparatus
|
|
US3910082A
|
|
Plunger lock with compensating spline
|
|
US3865011A
|
|
Automatic key duplicating apparatus
|
|
US3875773A
|
|
Dual control lock
|
|
US4009599A
|
|
Plunger lock
|
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US3863476A
|
|
Pick resistant lock
|
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US3740981A
|
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Closure device for locks
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