Combined dead lock and safety chain type door lock

Combined door latch and deadbolt arrangement

Combined knob and permutation lock assembly for door latches

Compact portable lock for sliding windows and doors

Compartment closure assembly with latching apparatus having comb

Compression latch

Computer physical security device

Concealed locking apparatus for a motor vehicle trunk

Concealed locking mechanism and method for use with drawers...

Container inside locking system

Container locking system

Container securing device

Containers

Control mechanism for a door lock

Control mechanism of electronic lock having double bolts

Cover lock assembly

Cover locking system

Cutter and blow resistant lock

Cylinder lock interface mechanism for extra bolts

Cylinder retention mechanism