U.S. federal trademark · Serial No. 71657300 · Reg. No. 0611351
AUTOMATICALLY INITIATED SOUND REPRODUCER FOR USE IN INSTITUTIONS, BUILDINGS, ETC., SAID REPRODUCER INCLUDING AN ELECTRONIC AMPLIFIER CONNECTABLE WITH A LOUDSPEAKER AND SOURCES OF AUDIO-VIBRATIONS TO BE AMPLIFIED AND THE PARTS THEREOF FOR THE AFORESAID GOODS
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