U.S. federal trademark · Serial No. 76566903 · Reg. No. 2930314
ISDN TA (INTEGRATED SERVICE DIGITAL NETWORK TERMINAL ADAPTER); ISDN ROUTER (INTEGRATED SERVICE DIGITAL NETWORK ROUTER); ADSL (ASYMMETRIC DIGITAL SUBSCRIBER LINE); XDSL (X-DIGITAL SUBSCRIBER LINE)
Source: USPTO federal trademark records. Informational only, not legal advice. Status and details may lag the live USPTO database.