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How many US patents are in the name of Thomas Alva Edison
A)
176
B)
435
C)
756
D)
1093

Correct Answer : Option (D) - 1093



In his 84 years, Thomas Edison acquired a record number of 1,093 patents (singly or jointly) and was the driving force behind such innovations as the phonograph, the incandescent light bulb and one of the earliest motion picture cameras.

Published On : June 7, 2021
Category : Science and Technology
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