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The American inventor Thomas Alva Edison (1847-1931) held hundreds of patents, most for electrical devices and electric light and power. Although the phonograph and incandescent lamp are best known, p...
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During his lifetime, Thomas Edison patented more than 1,000 inventions--a number that no one else has ever approached. Among these were crucial innovations such as the phonograph, the motion picture, ...
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Thomas Alva Edison's nickname, "The Wizard of Menlo Park," reflects his amazing inventive talent. Over his lifetime, more than 1,300 patents were issued in his name, far more than have been credited t...
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