Self-shut type lock device

Sequential keyless lock

Sequential locking two key lock

Sequentially unlocking expansion slots

Sequentially unlocking expansion slots

Shearable lock assembly and method of manufacture

Shielded lock assembly

Shielded pushbutton lock

Shielded pushbutton lock

Side bar lock decoder

Side bar lock with enhanced pick resistance

Side bar plunger and solenoid cylinder locking mechanism

Side bar type cylinder lock with variable key code

Side-bar lock

Sidebar for cylinder lock

Sidebar ignition lock

Signal processing device with magnetism antenna and key device w

Simplified firearm lock

Single lever, double changeable safe deposit lock

Skeleton key kit