Polarprincessa t1_je8o6e7 wrote on March 30, 2023 at 5:37 AM Reply to comment by rebillihp in 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. by WonderWmn212 They did at one time at least… Permalink Parent 17
Polarprincessa t1_je8o6e7 wrote
Reply to comment by rebillihp in 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. by WonderWmn212
They did at one time at least…