U.S. federal trademark · Serial No. 73300919 · Reg. No. 1250990
Electrical Equipment Test Instruments-Namely, Tone Signaling Analyzers, Impedance Measuring Test Sets; Optical Attenuation Test Sets; Programmable Frequency Synthesizers; Signaling Sender Test Sets; Transmission and Voice Test Sets; Dual Tone Multi-Frequency/Multi-Frequency Sender Test Sets; Signal Generators; and Transmission Test Lines
Source: USPTO federal trademark records. Informational only, not legal advice. Status and details may lag the live USPTO database.