U.S. federal trademark · Serial No. 78940175 · Reg. No. 3279880
High bit-rate digital subscriber line (HDSL) access systems comprised of modems, electronic circuit cards for computer network management, graphical user interface software, electronic circuit cards, computer chassis, computer enclosures, electrical signal regenerators, and electrical signal doublers
Source: USPTO federal trademark records. Informational only, not legal advice. Status and details may lag the live USPTO database.