Rack security mechanism

Radio frequency identification (RFID) system for...

Radio frequency identification (RFID) system for...

Radio operated latch dead-bolting system

Radiographically secure combination lock

Radiological detection resistant combination lock

Radiological detection resistant key changeable combination lock

Randomly and integrally re-keyable lock apparatus and method

Randomly and integrally re-keyable lock apparatus and method

Randomly engageable combination locking device

Randomly-false-gated tumbler wheels for combination locks

Rapid securing bicycle lock

Ratcheting pawl latch

Rationing cigarette dispenser

Re-combinate removable plug lock

Re-enforcer plate with different patterns of threaded holes for

Re-keyable cylinder lock

Re-keyable lock and method

Re-keyable lock assembly

Re-keyable lock cylinder