General Knowledge :: Inventions
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What did cardiologist Dr. Paul Zoll invent in Massachusetts in 1952?
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What Elmer A. Sperry invented?
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For over 500 years, paper was only available and sold as single sheets. In 1902, an inventive Australian used half size sheets of paper, a bit of glue and cardboard to create the what?
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Who developed the idea of Crop Rotation?
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William Frederick is credited with the invention of the modern frisbee in the mid 1950's. In 1957 the Wham-O Company bought his idea and the rest is history. They named the toy after William Frisbie who was a ________?
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Who came up with the idea for INSTANT MASHED POTATO?
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Who invented Dynamite?
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What toy did George Lerner create for Hasbro company in 1952?
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For whom high heeled shoes were invented?
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