Science, asked by BibekAgarwal3008, 1 year ago

When did U.S. Patent Office issue patent for telephone Alexander Graham Bell?
a) 7 March 1876
b) 19 April 1848
c) 3 November 1872
d) 28 August 1862

Answers

Answered by saahiljain

0

answer is 7 march 1876

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