Timeline of United States inventions (1890–1945) of these fibers for textile applications is more recent. The first commercial production of fiberglass was in 1936. In 1938, fiberglass was invented by Russell Games Slayter of Owens-Corning. 1938 Xerography Xerography, which means "dry writing" in Greek, is a process of making copies. Xerography makes copies without using ink. In this process, static electricity charges a lighted plate; a plastic powder is applied to the areas of the page to remain white. The photocopier was invented in 1938 by Chester Floyd Carlson who marketed his revolutionary device to about 20 companies before he could interest any. The Haloid Company,
Smith Corona a diversification move into the wider office technology sector, "Smith Corona" purchased the Kleinschmidt Corporation in 1956 and Marchant Calculator in 1958, changing its corporate name to Smith-Corona Marchant Inc. Also in 1958, "Smith Corona" acquired British Typewriters, Ltd. of West Bromwich, England, a company that made small portable typewriters. The company invented the typewriter power carriage return in 1960, the same year it moved from Syracuse to Cortland, New York and opened new corporate headquarters on Park Avenue in New York City. 1960 also saw the company's first foray into the photocopier business with the Vivicopy range of machines,