Photo of Margaret Eloise Knight

Margaret Eloise Knight

1838 - 1914
Inventor
USA USA

Personal Information

Born: 1838

Died: 1914

Country of Birth: USA

Nationality: USA

Ethnicity: White

Education

left school at age 12

Professional Life

Field of Study: Inventor

Institution/Corporation: unknown

Degrees & Memberships: none

Awards & Achievements

Awards: 1871, decorated by Queen Victoria for paper-bag machine; 2006, National Inventors Hall of Fame

Achievements: Flat-bottom paper bag, Machine for Making Flat-Bottomed Paper Bags; founded Eastern Bag Company 1870; sold most of her patents for out-right fees or limited royalties; made her living as an inventor

Invented the machine for making flat-bottomed paper bags

Has been called "the most famous 19th century woman inventor"

When she was 12 she witnessed an accident in a cloth factory; invented a device that automatically stopped a machine if something got stuck in it so similar accidents wouldn't happen again

Charles Annan spied on her & tried to steal her paper bag invention; she took him to court & his defense was "women were incapable of being inventors" but she had proof the machine was her invention; she won the case & was awarded the patent

She was responsible for over 100 inventions but only received patents for 27, including paper bags & a sole cutting machine

Left school when she was 12