SONNEX SPEAKER PROTECT
○ Dead · CancelledU.S. federal trademark · Serial No. 85100661 · Reg. No. 4451647
Mark
SONNEX SPEAKER PROTECT
Filing Date
August 5, 2010
Registration Date
December 17, 2013
Goods & Services
Software to prevent audio speakers from being overdriven and clipping audio output sold as a feature of audio devices
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