77042613
Nov 13, 2006
Mar 25, 2008
Active Trademark
Hearing protector devices, namely, ear sets for hearing protection for high noise level environments; hearing protector devices, namely, two way radio earphone communication system for high noise level environments comprising a radio transmitter, an electronics control interface unit, an ear set with internal microphone and receiver, for use in transmitting and receiving of two way radio signals
Electrical and Scientific Apparatus