134727 ⎘
Doors, windows, or like closures for special purposes ; Border constructions therefor for protection against air-raid or other war-like action; for other protective purposes against burglary Arrangements preventing the removal of glazing panels
Security door system
#2Security panel framing system and method
#3System and method for a security film
#4Security panel framing system and method
#5System and method for a security film
#6System and method for a security film
#7INTRUSION-INHIBITING BUILDING CLOSURE
#8Triangular flange bracket for attaching corners of transparent plastic panels over windows and door openings