U.S. federal trademark · Serial No. 77111390 · Reg. No. 3333972
Distributed antenna system for use in underground mines comprised of coaxial radiating cable, amplifiers, cable splitters, and an interface to connect to a repeater radio operating in the VHF and UHF radio bands
Source: USPTO federal trademark records. Informational only, not legal advice. Status and details may lag the live USPTO database.