U.S. federal trademark · Serial No. 74197750 · Reg. No. 1740980
telecommunications and electronic equipment for use in high-speed transmission of information over digital data communications lines; namely, channel service units (CSUs), data service units (DSUs), data service units/channel service units (DSU/CSUs), data access cross/connect system (DACS) apparatus, multiplexers, channel bank cards, automatic protective switches, and repeaters
Source: USPTO federal trademark records. Informational only, not legal advice. Status and details may lag the live USPTO database.