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What electric device did Thomas Edison invent?

Updated: 8/17/2019
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15y ago

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He was the co-inventor of the electric light bulb. In fact, the other inventor ( the Scotsman Joseph Swan) filed for his patent 6 days before Edison. Technically this makes Swan the inventor, but after a long and costly lawsuit they agreed to share the invention, and formed the Ediswan company.

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15y ago
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