U.S. federal trademark · Serial No. 74099856 · Reg. No. 1794713
telephone apparatus;, namely, audio intercoms, video-intercoms, audio visual nurse call intercoms, background music intercoms, and intercoms having feature allowing for electronic paging in accordance with alphabetical directory; closed circuit television; loudspeakers; electronic residential and commercial intruder and burglar alarms not for use in vehicles; annunciators, visual annunciators; sound plifiers; microphones; electronic paging horns, [ radio/stereo tuners; ]telephone with microphone attachment to be used for public addressing; electronic door openers; electronic mechanical controls;, namely, bells, buzzers, chimes and push buttons for use in the communications field; electronic control board for use in indicating doctors' presence [ ; and megaphones ]
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