An ear wax guard for an in-the-ear hearing aid and means for...

An earplug for a hearing aid

An electrical contact free microphone attachment for a...

An electro-acoustic communications unit

An electro-acoustic transducer

An electroacoustic communications unit

An electroacoustic transducer

An electrodynamic transducer

An implantable microphone for use with a hearing aid or...

An input converter for a hearing aid and signal conversion...

An interchangeable acoustic system for a hearing aid, and a...

Annular array ultrasonic transducers

Antennas for hearing aids

Anti-noise pickup

Anti-side tone transmitter

Antiseptic telephone mouthpiece guard

Apparatus and method for a custom soft-solid hearing aid

Apparatus and method for adjusting audio equipment in...

Apparatus and method for automatically determining...

Apparatus and method for connecting a hearing aid to hearing...