U.S. federal trademark · Serial No. 74493155 · Reg. No. 1880467
intrusion security system, fire security system, or access control system, each system comprising a central processing unit featuring all or some of the following functions - intercom, paging, public address, door lock and light control, heat and smoke sensors movement and intrusion sensors alarm and emergency signaling devices
Source: USPTO federal trademark records. Informational only, not legal advice. Status and details may lag the live USPTO database.