In what year did Thomas Edison invent the light bulb?

Answer 1

Edison did not invent the lightbulb. He purchased the 1875 patent he purchased from inventors, Henry Woodwardand Matthew Evans and improved on it. His contribution was to develop a carbon filament that burned for forty hours. Edison placed his filament in an oxygenless bulb.

Answer 2

Edison did not invent the first electric light bulb, but instead invented the first commercially practical incandescent light. He therefore just improved on other peoples work, he did this in 1879.

Answer 3

1874 is the year when Thomas Edison improved the incandescent light bulb. It had been invented prior to Edison's improvements by Humphry Davey in 1802.

Answer 4

Thomas Edison invented the electric light bulb in 1879.

Answer 5

1879

Answer 6

1879.