U.S. federal trademark · Serial No. 74085796 · Reg. No. 1657234
system for hindering eavesdropping, consisting of a prerecorded specially configured acoustic source material; namely, audio and video recordings, compact discs, laser video discs, film, optical discs, and a real time generating system consisting of a specialized computer, associated storage media; namely, a hard disc, and digital to analog converters; and playback unit; namely, tape player, compact disc player, laser disc player, real time generating unit, control unit, power supply, acoustic playback speakers therefor
Source: USPTO federal trademark records. Informational only, not legal advice. Status and details may lag the live USPTO database.