Women Inventors: Let us know them!

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Bette Nesmith Graham was a Dallas executive secretary, a divorced woman and a single mother of a boy. This efficient and hardworking woman wanted to become an artist and never in her life thoughts that she will become an inventor. She was working as an executive secretary that was
proud of her work. Typing errors was her common problem. Graham remembered that artists mix some colors to cover for their mistakes on canvass. By that, she came up with the idea of using the same method as the artists does. She used water based paint (Latex) and mixed it together to match the color of the stationery she was using. Her boss never noticed that she was using this water based paint to correct her typing errors. Her friend, another secretary saw the liquid she invented and ask for some to correct her typing mistakes also. Soon all the secretaries in the building were using the water based paint that she named “Mistake Out” on 1951.

Mary Anderson

Prior to the manufacture of Henry Ford's Model A, Mary Anderson was granted her first patent for a window cleaning device in November of 1903. Her invention could clean snow, rain, or sleet from a windshield by using a handle inside the car. Her goal was to improve driver vision during stormy weather - Mary Anderson invented the windshield wiper.

During a trip to New York City, Mary Anderson noticed that streetcar drivers had to open the windows of their cars when it rained in order to see, as a solution she invented a swinging arm device with a rubber blade that was operated by the driver within the vehicle via a lever. The windshield wipers became standard equipment on all American cars by 1916.

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