75679309
Apr 9, 1999
Dec 25, 2001
Earphones for hearing protection purposes with built-in electronics for recording, transmitting and/or reproduction of sound; hearing protectors, namely, earmuffs, earphones and ear plugs used to protect ears from excess noise and injury
Electrical and Scientific ApparatusEar safety protectors, namely, ear muffs, earphones and ear plugs used to protect ears from excessive noise for medical and prophylactic purposes
Medical Apparatus