78762050
Nov 28, 2005
Oct 8, 2013
Active Trademark
Technological devices for improving acoustic clarity and audio transmission and reception for assisting persons with sensory or cognitive impairments and to preserve hearing levels, namely, adapted stereo headphones, and adapted computer-telephone, cellular telephone and voice over internet protocol telephone headset units; voice over internet protocol telephones adapted for assisting persons with sensory or cognitive impairments, and to preserve hearing levels
Electrical and Scientific Apparatus