Thomas E. Murray Thomas E. Murray Thomas E. Murray (October 21, 1860 – July 21, 1929) was an American inventor and businessman who developed electric power plants for New York City as well as many electrical devices which influenced life around the world, including the dimmer switch and screw-in fuse. It has been said that he "invented everything from the power plant up to the light bulb". Murray is considered one of the most prolific inventors in history after Thomas Edison, holding 462 U.S. patents in his name. However, unlike Edison, Murray did not patent the work of others under his name; the
Edison Manufacturing Company Edison Manufacturing Company The Edison Manufacturing Company was a company organized in 1889 by the inventor and entrepreneur Thomas Edison that manufactured batteries, machinery and equipment, and also produced kinetoscope films. Its assets and operations were transferred to Thomas A. Edison, Inc. in 1911. Thomas Edison organized the Edison Manufacturing Company in December 1889 as his personal business for the purpose of making and selling the Edison-Lalande primary battery. It was formally incorporated on 5 May 1900 in New Jersey. The company made and sold batteries for use in telegraph, phonoplex, and telephone systems, and for phonographs, dental equipment, medical