# MARY P JACOB — Patents explained on PatentBrief

MARY P JACOB has 1 landmark patent explained in plain English on PatentBrief.

- [How Mary Phelps Jacob Invented the Modern Backless Brassiere](https://patentbrief.org/patent/us/1115674/brassiere-mary-phelps-jacob) — granted 1914
  A 1914 patent by Mary Phelps Jacob that replaced heavy, rigid corsets with a lightweight, two-handkerchief design to support the bust.

**Full profile:** https://patentbrief.org/company/mary-p-jacob

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