Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Magnetic attachment apparatus for ear-level microphone

Magnetic attachment apparatus for ear-level microphone

US Patent 4827524 · Granted May 2, 1989

Assignee

No assignee recorded.

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Auditory prosthesis with datalogging capability1990
Hearing aid programming interface1990
Attachment device for a probe microphone1989