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,
Albert S. Janin Albert S. Janin Albert Stanley Janin (1881-1931) was an American inventor of a hydro-airplane which he invented in 1907 independently of Glenn Curtiss. Even though Janin had a prior patent, he lost in prolonged patent litigations to Curtiss on the grounds that Janin's designs did not disclose sufficient detail. Janin did win his claim first but then lost it on appeals. Janin was honored by President Woodrow Wilson for donating much of his patents to the government during World War I. Janin was also credited with invention of the inflammable bullet used during that war, and the catapult to launch