75421076
Jan 21, 1998
Dec 21, 1999
HEARING AIDS; AUDITORY TRAINING DEVICES CONSISTING OF A TRANSMITTER/RECEIVER CONFIGURATION TO PROVIDE WIRELESS COMMUNICATIONS FOR THE HEARING IMPAIRED IN ORDER TO IMPROVE LISTENING CONDITIONS IN NOISY ENVIRONMENTS; ASSISTIVE LISTENING DEVICES CONSISTING OF A TRANSMITTER/RECEIVER CONFIGURATION TO PROVIDE WIRELESS COMMUNICATIONS FOR THE HEARING IMPAIRED IN ORDER TO IMPROVE LISTENING CONDITIONS IN NOISY ENVIRONMENTS
Medical Apparatus