What was Thomas Edison's first patented invention?

Edison is credited for contributing to various inventions, including the phonograph, the kinetoscope, the dictaphone, the electric lamp (in particular the incandescent light bulb), and the autographic printer. He also greatly improved the telephone by inventing the carbon microphone. read more

Public demonstrations of the phonograph made the Yankee inventor world famous, and he was dubbed the “Wizard of Menlo Park.” Edison set aside this invention in 1878 to work on the incandescent light bulb, and other inventors moved forward to improve on the phonograph. read more

Thomas Edison was an inventor who accumulated 2,332 patents worldwide for his inventions. 1,093 of Edison's patents were in the United States, but other patents were approved in countries around the globe. read more

The legendary inventor Thomas Edison was the father of landmark inventions, including the phonograph, the modern light bulb, and motion pictures. The legendary inventor Thomas Edison was the father of landmark inventions, including the phonograph, the modern light bulb, and motion pictures. read more