U.S. federal trademark · Serial No. 75365885 · Reg. No. 2377911
test apparatus for telephone systems, namely, locally non-switched two-wire circuits, unbundled loops, direct current alarms, foreign exchange circuits, adaptive digital subscriber line test access circuits, private branch exchange circuits and telemetering circuits
Source: USPTO federal trademark records. Informational only, not legal advice. Status and details may lag the live USPTO database.