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he married Mary at christmas day
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Edison filed his first patent application for "Improvement In Electric Lights" on October 14, 1878
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By 1890, Thomas Edison had brought together several of his business interests under one corporation to form Edison General Electric.
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Plan projects on a visual timeline
Map milestones, phases, deadlines, and key events in one place so the sequence is easier to see and share. Timetoast is a timeline maker for work, school, research, and stories.