75267498
Apr 1, 1997
Nov 17, 1998
earphones for hearing protection purposes with built-in electronics for recording, transmitting and/or reproduction of sound; hearing protectors, namely, ear muffs, earphones and ear plugs used to protect ears from excess noise and injury
Electrical and Scientific Apparatusear safety protectors, namely, namely, ear muffs, earphones and ear plugs used to protect ears from excess noise for medical and prophylactic purposes
Medical Apparatus