Sonotone (hearing aid)

Sonotone Corporation was a hearing aid manufacturer that was started by Hugo Leiber[secondary source needed], inventor of the bone conduction receiver,[1] in New York City in 1929.

The company was a leader in the hearing aid industry until multiple buyouts ending in 1970 led to the abandonment of the manufacturing plant.

[3] By 1960, in addition to hearing aids, Sonotone manufactured nickel cadmium batteries, loudspeakers, and hand held microphones.

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