# Margaret E. Knight — Patents explained on PatentBrief

Margaret E. Knight has 1 landmark patent explained in plain English on PatentBrief.

- [How Margaret Knight's Machine Made Flat-Bottom Paper Bags](https://patentbrief.org/patent/us/116842/paper-bag-machine-knight) — granted 1871
  This 1871 patent by Margaret Knight describes a machine that automatically folds and glues paper to create flat-bottom bags, a major improvement over earlier V-shaped designs.

**Full profile:** https://patentbrief.org/company/margaret-e-knight

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_Source: PatentBrief — https://patentbrief.org. Plain-English explanations of US patents._