Tipp-Ex errors" (German: "Tippfehler"). He subsequently founded a company of the same name. Shortly after that a "Tipp-Ex Sales & Distribution" company (Tipp-Ex Vertrieb GmbH & Co. KG) was founded in Frankfurt by Otto Carls. This company still exists under the name of Tipp-Ex GmbH & Co. KG close to Frankfurt. "Tipp-Ex" became a registered trademark with the German patent office in 1987. Earlier, in 1951, Bette Nesmith Graham invented the first correction fluid in her kitchen and began marketing the product in 1956 as "Mistake Out", later called Liquid Paper. Tipp-Ex GmbH only started to produce white correction fluid in
Bruce Nesmith Beyond Tyr" (1995), "Psionic Artifacts of Athas" (1996), and "Domains of Dread" (1997). Nesmith was one of the guests of honor at "Winter Fantasy 18" in 1994. In 1995 Nesmith moved into the computer game field, contributing to "" computer roleplaying game, and "Terminator" computer games. He then became a senior game designer for Bethesda Game Studios, where he worked extensively on "" and its expansion, "The Shivering Isles". The video game "Fallout 3", for which Nesmith did some of the quest writing, was nominated for an award for videogame writing at the Writers Guild of America Awards 2008. Bruce