U.S. federal trademark · Serial No. 75519438 · Reg. No. 2450285
Portable wireless system for emergency location and identification of a user in an emergency life threatening and non-life threatening situation, namely, a transmitter carried by a user for transmitting location and identification information about user from the user to a central station and a tracking system comprising a plurality of receivers for triangulating the user's signal for the purpose of tracking the user
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