Thomas Edison’s original patents surrounding the light bulb and an archive of 37 original British Patent Letters related to the incandescent lamp have been sold at auction for US$75,000.

With more than a thousand patents to his name ... An early sketch of a light bulb made by Thomas Edison on February 13, 1880. The year before, the inventor had demonstrated his long-lasting ...

Thomas Alva Edison was born in 1847 in MIlan ... In 1883, Edison lost his light bulb patent when the U.S. Patent Office ruled his work had been based on that of another inventor, William Sawyer.

Thomas Edison used this carbon-filament bulb in the first public demonstration of his most famous invention—the light bulb, the first practical ... He received a record 1,093 patents and became a ...

For Thomas Edison, the answer to the question of who invented the light bulb was easy. He held the patents, so he invented it. And strictly speaking, he was correct. Edison was the first person to ...

This made Edison's light bulb not only durable but also economical, and this was a crucial factor for mass usage. Thomas ...

As every third-grader knows, Thomas ... Edison, who patented his bulb in 1879, merely improved on a design that British inventor Joseph Swan had patented 10 years earlier. Swan sued Edison for ...

With a few exceptions, the bulbs – patented by Thomas Edison in 1880 ... what's considered a "warmer" color. 1880: Edison patents the electric incandescent light bulb. 1976: First CFL is invented.

Illustration by Meilan Solly / Background via Library of Congress In the autumn of 1878, Thomas Alva Edison had a problem. He hadn’t invented the light bulb—yet. Or, to put it more precisely ...