U.S. federal trademark · Serial No. 76503938 · Reg. No. 3987460
electrical intracommunication systems for use in commercial applications for event production, comprising control stations, interface modules, frames, controller cards, connectors, power supplies, panels and mountings, all of which are interconnected through wires or cables to create a unitary system, software for operation of the foregoing, and user manuals sold as a package therewith
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