Telephone Patent Dispute began - Feb. 14, 1876

On this day in 1876, inventors Alexander Graham Bell and Elisha Gray both filed patent documents for their telephone designs, starting a years-long controversy.

Learn more about your ad-choices at https://www.iheartpodcastnetwork.com See omnystudio.com/listener for privacy information.

Release date

Lydbog: 14. februar 2019