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Founded by Thomas Edison in 1896.1
Private company
Defunct holding company (1911-57) founded by American inventor Thomas Edison
Thomas A. Edison, Incorporated (originally the National Phonograph Company) was the main holding company for the various manufacturing companies established by the inventor and entrepreneur Thomas Edison. It was a successor to Edison Manufacturing Company and operated between 1911 and 1957, when it merged with McGraw Electric to form McGraw-Edison.2 Wikipedia text CC BY-SA 4.0
Last updated Oct 21, 2026.
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Thomas A. Edison, Incorporated (originally the National Phonograph Company) was the main holding company for the various manufacturing companies established by the inventor and entrepreneur Thomas Edison. It was a successor to Edison Manufacturing Company and operated between 1911 and 1957, when it merged with McGraw Electric to form McGraw-Edison.2
Founded by Thomas Edison in 1896.1
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