In 1849, an Italian-born inventor developed an early device for voice communications but couldn't afford a full patent due to financial hardship, allowing Alexander Graham Bell to get it in 1876: How did Telettrofono changed the world?
In 1849, an Italian-born inventor developed an early device for voice communications but couldn't afford a full patent due to financial hardship. Antonio Meucci created the Telettrofono years before the telephone patent was granted to Alexander Graham Bell. Financial struggles, injuries, and unpaid patent renewal fees affected his claim. His…
The Economic Times ·