Electro-optical devices using dynamic reconfiguration of...
Emergency escape frame for building apertures
Escapable-window-security-guard system
Extensible window and door guard
Face grating
Foldable fence
Foothold security gate
Gate assembly
Gate assembly
Gate latch assembly
Gate unlocking
Gratings for windows/doors
Grill-type window gate apparatus
Grille for security institutions
High security window/door apparatus
Hinged window-guard assembly
Hurricane storm panel and method of installation
Illuminated security barrier for passageways
Illuminated security gate unit
Illuminated security gate unit