About DoorGuard System, Inc.
DoorGuard System, Inc.
DOORGUARD SYSTEMS, INC. was formed 20 years ago to market an innovative security product designed to address emergency exit doors that were being illegally secured. The concept of time-delay emergency exit locking systems was designed, patented, and manufactured to meet this need
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|(08740) Electro-Mechanical Hardware|
(08 74 13) Card Key Access Control Hardware
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