Key holder
Key holder with lamp
Key holding device
Key in combination with a timer and emitter
Key leverage extending apparatus and method
Key locating attachment for controlling the depth of penetration
Key lock
Key lock apparatus
Key lock cylinder for possibly contaminated environments
Key lock device
Key lock having inductive key detection and method of constructi
Key lock with a flying sidebar
Key lock with key isolation
Key lock with removable plug
Key lock with transfer tumblers and master keying
Key locking indicator
Key made of magnetic material
Key management device, and methods of constructing and utilizing
Key mechanism
Key operable locking mechanism