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.

Bright ideas. Saturday, December 21 is the shortest day of the year so we thought it would be a good time to appreciate the history of light bulbs.. RELATED: Livermore’s 123-year-old Centennial ...

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 ...

In this sense, the invention of the light bulb was a decades-long process of incremental changes to create a filament that can be manufactured reliably and extended beyond Edison and Maxim alone.

Bright ideas. Saturday, December 21 is the shortest day of the year so we thought it would be a good time to appreciate the history of light bulbs.

Bright ideas. Saturday, December 21 is the shortest day of the year so we thought it would be a good time to appreciate the history of light bulbs.. RELATED: Livermore’s 123-year-old Centennial ...