The logo illustrates some of Edison’s most famous inventions including the electric light bulb, phonograph, and the motion picture camera. Edison holds over 1,000 U.S. patents and is the most ...

The incandescent light bulb, perfected for mass use by Thomas A. Edison in the late 19th century, is being supplanted by fluorescent lighting that is more efficient and longer lasting.

Then it clicked—the proverbial light bulb flickered to life, we guess. Mazda. Light bulbs. Thomas Edison. It was ... Mazda's second logo—used from 1936 to 1962—doesn't look too terribly ...

A new light bulb efficiency law goes into effect January 1. Thomas Edison’s great grandson says the inventor would have fully embraced it.

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. After a number of court hearings, that ruling ...

Their light bulbs burned out after 150 hours, but Edison improved that to 400 hours by 1884, and 1,200 hours by 1886. Edison and Swan sued each other for violating each other's patents.

Thomas Edison's incandescent light bulb, patented in 1880, made electric lighting practical, affordable, and long-lasting. It completely transformed homes, cities, and industries worldwide, going ...

Thomas Edison didn’t invent the light bulb—but here’s what he did do. With more than a thousand patents to his name, the legendary inventor's innovations helped define the modern world.