How many patents were granted to inventor thomas edison – 2017

how many patents were granted to inventor thomas edison

1,093
Throughout the 20th century, Edison was the world’s most prolific inventor. At the beginning of the century, he held 736 U.S. patents. His final count was 1,093 U.S. patents, including 1084 utility patents (patents for inventions) and 9 artistic design patents.







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