U.S. federal trademark · Serial No. 74278975 · Reg. No. 1759612
electronic voice/data switches, computer modems, automatic signaling and paging devices, cellular telephone voice/data interfaces, computer facsimile interfaces, telephone toll restriction devices, telephone selective ringing and routing devices, and telephone central office simulators
Source: USPTO federal trademark records. Informational only, not legal advice. Status and details may lag the live USPTO database.