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1093 US patents were granted to Thomas Edison in his lifetime, as well as several hundred patents in the UK, France, and Germany.

Many of them, such as the "light bulb" were ruled invalid in a federal court, due to Edison's having stolen and copied materials from others and claimed it as his own.

Second alteration. Using the term of "stolen" regarding patent disputes maybe not that accurate.

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10y ago

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Which American inventor held 1093 patents?

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Thomas Edison held 1093 US patents, and over 2000 worldwide.


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He is a great inventor. He improved and invented the first incadesent light bulb. he had 1093 patents.


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According to Paul Israel's biography of Thomas A. Edison, Edison received 1,093 U.S. patents. There by earning the title of history's most prolific inventor.


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Thomas Edison was a well respected scientist with over 1000 patents, exact number would be 1093