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 Bruce Nesmith Bruce Nesmith is a game designer who has worked primarily on role-playing games. He was Creative Director at TSR, working on a variety of games including "Dungeons & Dragons", and is a senior game designer at Bethesda Game Studios, where he has worked on AAA titles such as "Fallout 3", "Fallout 4" and "", and was lead designer on "Skyrim". TSR, Inc. hired Bruce Nesmith in 1981 to do computer games on the Apple II+. He soon moved on to be a writer of "Dungeons & Dragons" modules. After the original Dragonlance group began, the Dragonlance Series Design