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Thomas Edison's Patent Application for the Light Bulb (1880)
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upload.wikimedia.org/wikipedia/commons/b/b4/Gluehl
LIGHT BULB, How Much Do You Know? Group 23 FANTASTIC FOUR
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Edison's light bulb turns 135 National Museum of American History
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In October 1879, Edison perfected the light bulb
No, a Black man didn't invent the light bulb. But Lewis Howard Latimer made it better