78537289
Dec 22, 2004
Sep 25, 2007
Technological devices for improving acoustic clarity and audio transmission and reception for assisting persons with sensory or cognitive impairments, namely, adapted stereo headphones, adapted telephones, adapted hands-free cordless telephone units, and adapted computer-telephone headset units; electronic devices for assisting persons with sensory or cognitive impairments, namely, stereo audio amplification units, and radio audio amplification units; electronic units for minimizing or eliminating electromagnetic audio interferences; voice over internet protocol telephones, emergency telephones, and pay phones, all adapted for assisting persons with sensory or cognitive impairments
Electrical and Scientific ApparatusTechnological devices for assisting persons with sensory or cognitive impairments, namely, hearing aids, hearing implant systems composed of artificial materials
Medical Apparatus