U.S. federal trademark · Serial No. 75214899
electronic circuit utilizing a software algorithm for the reduction of noise in speech radios, telephones, telecommunications networks, teleconferencing networks, PA systems, intercom systems, modems, headphones, headsets, handsets, speech recognisers, personal computers and personal digital assistants
Source: USPTO federal trademark records. Informational only, not legal advice. Status and details may lag the live USPTO database.