Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Apparatus for closing openings of a hearing aid or an ear adaptor for hearing aids

Apparatus for closing openings of a hearing aid or an ear adaptor for hearing aids

US Patent 4987597 · Granted Jan 22, 1991

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Programmable hearing aid means worn in the auditory canal1998
Auditory canal insert for hearing aids1997
Hearing aid to be worn in the ear1993
Hearing aid having electrical contact means arranged in a battery compartment1993
Arrangement to prevent the intrusion of foreign matter into an electro-acoustica1990
Apparatus for srewing a cover onto a screw neck of a hearing aid1989
Method and apparatus for producing an ear impression1989
Mount for a sound transducer, particularly an earphone1988
In-the-ear hearing aid1988
Hearing aid device to be worn in the ear1984