U.S. federal trademark · Serial No. 76342436 · Reg. No. 2685844
SOFTWARE FOR AUDIO SIGNAL MANIPULATION, ACOUSTIC ECHO CANCELLATION, BI-DIRECTION NOISE REDUCTION, AND NETWORK ECHO CANCELLATION FOR ECHO AND NOISE CONTROL FOR CELLULAR TELEPHONE SYSTEMS; AND INTEGRATED CIRCUITS FOR USE IN SPEAKER PHONES, CELLULAR TELEPHONE SYSTEMS, AND CORDLESS TELEPHONES
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