What is the correct number of the U.S. patent granted to Alexander Graham Bell for the telephone?
Answer
U.S. Patent No. 174,465
Alexander Graham Bell secured the foundational patent for the telephone, which established his legal claim to the concept of transmitting vocal sounds by means of a variable electric current. This specific patent, officially numbered 174,465, was granted in early 1876 after his application was submitted in February of that year. This legal protection confirmed his primary role in the development of the device.
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