On This Day in Telephone History March 7TH 1876 the first telephone patent (U.S. No. 174,465) was issued to Alexander Graham Bell. Said to be the most valuable patent ever issued.

On This Day in Telephone History March 7TH 1876

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On This Day in Telephone History March 7TH 1876 the First Telephone Patent was issued to Alexander Graham Bell.

U.S. Patent No. 174,465 is said to be the most valuable patent ever issued.

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