Bell Receives Patent for Telephone
March 7, 1876
Alexander Graham Bell receives a patent (US No. 174,465) for an “Improvement in Telegraphy,” which will later come to be known as the variable resistance telephone.
March 7, 1876
Alexander Graham Bell receives a patent (US No. 174,465) for an “Improvement in Telegraphy,” which will later come to be known as the variable resistance telephone.