While devices to aid hearing were historically recorded in 1588, it wasn't until 1926 that a patent was granted for an in-the-ear electronic hearing aid invention.
When Were Hearing Aids Invented?
Oct 1, 2009 | By
While devices to aid hearing were historically recorded in 1588, it wasn't until 1926 that a patent was granted for an in-the-ear electronic hearing aid invention.
