Skin color - patchy. Patchy skin color is areas where the skin color is irregular. Mottling or mottled skin refers to blood vessel changes in the skin that cause a patchy appearance. Irregular or patchy discoloration of the skin can be caused by: Changes in melanin, a substance produced in the skin cells that gives skin its color.
Thomas Edison. Thomas Alva Edison (February 11, 1847 â October 18, 1931) was an American inventor and businessman, who has been described as America's greatest inventor. He developed many devices that greatly influenced life around the world, including the phonograph, the motion picture camera, and the long-lasting, practical electric light bulb.
Below is a list of Edison patents. 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.elow is a list of Edison patents. 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.