Door entry system

Door entry system

Method and apparatus for securing a movable item to a structure

Method and apparatus for securing a movable item to a structure

Authorization system and method using a weighing scale to control access based on a registered weight of a key and key ring combination

ELECTRONIC DEVICE HAVING ANTI-THEFT FEATURE AND METHOD OF PREVENTING ELECTRONIC DEVICE FROM BEING STOLEN

LOCK ASSEMBLY

Method and apparatus for securing a movable item to a structure

Mechanical key code verification system

Mechanical key code verification system

Circuit arrangement for locking and/or unlocking a door lock, especially in an electric appliance

Extender for securing a closure

Tumbler type lock apparatus

Locking system

Tree stand lock apparatus and method of use

System for Enhanced Security of Passengers for Boarding a Means of Transport

Software-Controlled Mechanical Lock for Portable Electronic Devices

Device and method for locking apparatuses

Shutter Assembly With Sliding T-Lock

Door handle device for vehicle

Lock for a tree stand

Method and safety system for a displacement device of a motor vehicle

Door lock control device

Electromechanical lock employing shape memory metal wire

Lock mechanism