OCCUPANT PRESERVER
Universal lock system for a tamper-resistant shelter-in-place barricade, namely, a portable spring-loaded metal locking device stored in a wall enclosure containing an electronic alert device which, when opened to remove the locking device, alerts authorities of the user's location while permitting the user to slide the locking device into a metal track at the base of a door and activate the locking device by stepping on an attached pedal to drive the locking device's metal locking spikes int...
Pending · July 28, 2023 · 98106191 ·