U.S. federal trademark · Serial No. 74567780 · Reg. No. 2061816
electronic audio paging and control system comprised of amplifier cards, and modules, pre-amplifiers, paging zone controls, relay controls, input controls, output controls, matrix controls, power supplies, battery chargers and digital voice controls
Source: USPTO federal trademark records. Informational only, not legal advice. Status and details may lag the live USPTO database.