Hearing aid with pull-out-string, pull-out string, and method of
Hearing aid with replaceable drying agent
Hearing aid with transmitter and microphone housing parts
Hearing aid with wireless remote control
Hearing aid with wireless remote control
Hearing aid with wireless remote processor
Hearing aid, especially of the in-the-ear type
Hearing aids
Hearing and output transducer with self contained amplifier
Hearing apparatus
Hearing instrument
Hearing-aid system
High fidelity hearing aid amplifier
Hinge for a hearing aid cover
Hinged hearing aid
Host controller for programmable digital hearing aid system
Hybrid behind-the-ear and completely-in-canal hearing aid
Hybrid electronic and electromechanical device for the productio
Impedence buffering MOS circuit with dynamically reduced thresho
In ear hearing aid