How many separate patents did thomas edision file? 1093
Answers
Answered by
1
Thomas Alva Edison was widely known as the America's most prolific inventor, even after his death in 1931. He held a total of 1,093 U.S. patents (1,084 utility patents and 9 design patents). In 2003, his patent count was exceeded by Japanese inventor Shunpei Yamazaki.
512 patents
Similar questions