U.S. federal trademark · Serial No. 73414176 · Reg. No. 1276834
Digital Communications Equipments-Namely, Time-Division Multiplexers, Statistical Multiplexers, Modems, Data Network Exchange, Modem/Multiplexer Tester, Switching Systems
Source: USPTO federal trademark records. Informational only, not legal advice. Status and details may lag the live USPTO database.