9 communications systems and components therefore, including centralized communication systems comprised of printed circuit boards; power converters; amplifiers for use in public address systems; telephones; telephone receivers; intercoms; indoor, outdoor, and desktop telephone stations; loudspeakers and loudspeaker cabinets; telephone transmitters; emergency notification systems; communications systems especially suited for hazardous environments and offshore drilling rigs; electronic telephone switches; microprocessor-based consoles; industrial telephone communication systems; wire paging communication systems; communications and telecommunications software
Trademark: 75515364
