Thomas Edison didn't invent the light bulb—but here's what he did do
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Dec. 18, 1878: Let There Be Light — Electric Light | WIRED
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In October 1879, Edison "perfected" the light bulb | Signify Company Website
Thomas Edison Patents: The Lightbulb & Beyond
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November 4, 1879: Thomas Edison Invents the Electric Light, Files Patent – Constituting America
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In October 1879, Edison "perfected" the light bulb | Signify Company Website
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Who Invented The Lightbulb? The Story Of The First Incandescent Bulb
G.E.'s History of Innovation - The New York Times
Edison invents the light bulb...on this day | Share America
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Who Invented the Lightbulb?
Light Bulb | Highbrow
