LOCKDOWN APPARATUS FOR INITIATION OF LOCKDOWN PROCEDURES AT A FACILITY DURING AN EMERGENCY WITH AN OVERRIDE ACTUATOR TO OVERRIDE LOCKDOWN COMMUNICATION TO FACILITY OCCUPANTS - diagram, schematic, and image 08

Back to LOCKDOWN APPARATUS FOR INITIATION OF LOCKDOWN PROCEDURES AT A FACILITY DURING AN EMERGENCY WITH AN OVERRIDE ACTUATOR TO OVERRIDE LOCKDOWN COMMUNICATION TO FACILITY OCCUPANTS , All Patents .