Inventor

Thomas Alva Edison

Patents indexed

Year range

1880

Associated with

Years active

1880

Total patents

Most recent

1880

Domains

energymechanical

Activity by decade

1880s

Patents

Career timeline

1 patents, in 1880

Dot size = forward citations

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How Thomas Edison Invented the Practical Incandescent Light Bulb

Thomas Edison's 1880 patent for a carbon-filament electric lamp that made indoor lighting reliable and commercially viable for the first time.

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