Americas
Alexander Graham Bell Patent 1876
Alexander Graham Bell was issued with a patent from the US Patent Office on 7th March 1876 for ‘a method of and apparatus for, transmitting vocal or other sounds, telegraphically’.
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Alexander Graham Bell was issued with a patent from the US Patent Office on 7th March 1876 for ‘a method of and apparatus for, transmitting vocal or other sounds, telegraphically’.
Read More