Inventions by women you didn’t know about – INSIDER

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Knight’s knack for innovation started at a young age. When she was just 12 years old, she invented a safety device for cotton mills.

During her time at the Columbia Paper Bag Company in 1867, Knight began working on a machine that created flat-bottomed bags. When fellow machinist Charles Anan tried to steal her idea, Knight sued him and won the patent for her machine after a long legal battle.

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