Alexander Graham Bell his grandchildren. "U.S. patent images in TIFF format" Alexander Graham Bell Alexander Graham Bell (March 3, 1847 – August 2, 1922) was a Scottish-born scientist, inventor, engineer, and innovator who is credited with inventing and patenting the first practical telephone. He also founded the American Telephone and Telegraph Company (AT&T) in 1885. Bell's father, grandfather, and brother had all been associated with work on elocution and speech and both his mother and wife were deaf, profoundly influencing Bell's life's work. His research on hearing and speech further led him to experiment with hearing devices which eventually culminated in Bell being
Invention of the telephone later introduced by Bell Telephone instead canceled sidetone through a feedback process. An American District Telegraph (ADT) laboratory reportedly lost some of Meucci's working models, his wife reportedly disposed of others and Meucci, who sometimes lived on public assistance, chose not to renew his 1871 "teletrofono" patent caveat after 1874. A resolution was passed by the United States House of Representatives in 2002 that said Meucci did pioneering work on the development of the telephone. The resolution said that "if Meucci had been able to pay the $10 fee to maintain the caveat after 1874, no patent could have been