U.S. federal trademark · Serial No. 72350009 · Reg. No. 0905426
ELECTRONIC FILTER NETWORKS FOR ATTENUATING A BAND OR BANDS OF FREQUENCIES IN THE AUDIO SPECTRUM-NAMELY, SOUND COLUMN TYPE LOUD SPEAKERS AND SOUND SYSTEMS INCORPORATING NETWORKS
Source: USPTO federal trademark records. Informational only, not legal advice. Status and details may lag the live USPTO database.