U.S. federal trademark · Serial No. 76113645
Telephone test equipment for distribution network testing, transmission testing, fault isolation, and mechanized network conformance testing, namely, volt-ohmmeters, resistance fault locators, time domain reflectometers, transmission impairment measurement meters, power spectral density meters, hand-held intelligent field access computers, lineman's test sets comprised of hand-held telephones, and wide-band insertion loss meters
Source: USPTO federal trademark records. Informational only, not legal advice. Status and details may lag the live USPTO database.