U.S. federal trademark · Serial No. 74489873 · Reg. No. 1913076
key telephone systems, namely card cabinets, power supplies, service boards, control boards, voice recorders, connecting cables, patch panels, patch cards, workstation outlets, software, circuit cards and keysets; telephone sets comprised of keysets, handsets, handset cords, consoles, speakerphones, data ports and analog station adapters
Source: USPTO federal trademark records. Informational only, not legal advice. Status and details may lag the live USPTO database.