TIL Margaret Knight (1838-1914) invented a machine to mass produce flat-bottomed paper bags and, after winning a lawsuit against a fraudster who copied her design, the patent was issued in 1871. Her first invention was when she was 12 years old (and began working in a factory). She had 87 patents.


TIL Margaret Knight (1838-1914) invented a machine to mass produce flat-bottomed paper bags and, after winning a lawsuit against a fraudster who copied her design, the patent was issued in 1871. Her first invention was when she was 12 years old (and began working in a factory). She had 87 patents. https://americanhistory.si.edu/collections/search/object/nmah_998987 WonderWmn212 March 30, 2023 at 12:27AM

Comentários