LIQUID PAPER

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Invented by : Bette Nesmith Graham
Invented in year : 1951

You know that white stuff you paint on paper to cover mistakes? It was originally called "mistake out" and was the invention of Bette Nesmith Graham, a divorcee who went to work in 1951 to support herself and her son.
Liquid Paper Bottle (4K) Though she found work as a typist, she unfortunately wasn't a very good one and developed a white tempura paint to hide her mistakes. Using her kitchen and garage as laboratory and factory, she gradually developed a product that other secretaries and office workers began to buy. While continuing to work as a secretary, she educated herself in business methods, promotion, and research until she was satisfied that the product she had developed was really worthwhile. She then offered Mistake Out to IBM which turned it down.
Undaunted, Bette Graham changed the name from Mistake Out to Liquid Paper and kept selling it from her kitchen-garage for the next 17 years. By 1968 she was making a profit. And in 1979, the Gillette Corporation bought Liquid Paper for $47.5 million plus royalties. She was also the mother of Michael Nesmith, a member of The Monkees.