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
Thomas A. Edison, Inc. Thomas A. Edison, Inc. Thomas A. Edison, Incorporated (originally the National Phonograph Company) was the main holding company for the various manufacturing companies established by the inventor and entrepreneur Thomas Edison. It operated between 1896 and 1957, when it merged with McGraw Electric to form McGraw-Edison. The National Phonograph Company was incorporated on 27 January 1896. It was restructured and reincorporated as Thomas A. Edison, Inc. on 28 February 1911. The Edison Manufacturing Company became a division of Thomas A. Edison, Inc. at this time. The company had an industrial research laboratory in West Orange, New Jersey where up to