74064202
May 30, 1990
Mar 22, 1994
low-powered, two-way walkie talkie, with an approximate distance of one mile or less, communication system with a band width of 20 kHz for use by drivers and their teams involved in racing events comprising a voice-activated transmitter, a head set, radio carrying case, car cable, custom ear piece set, installed helmet set-up in a nylon carrying bag
Electrical and Scientific Apparatus