U.S. federal trademark · Serial No. 75310039 · Reg. No. 2182223
telecommunication devices for inserting, transporting and recovering hidden data in an information data stream; signal encoders; signal decoders; computer software for encoding auxiliary information on audio signals; computer software for decoding auxiliary information from audio signals
Source: USPTO federal trademark records. Informational only, not legal advice. Status and details may lag the live USPTO database.