# Charles P Hall — Patents explained on PatentBrief

Charles P Hall has 1 landmark patent explained in plain English on PatentBrief.

- [How the Modern Waterbed Works](https://patentbrief.org/patent/us/3585356/waterbed-liquid-support) — granted 1971
  A 1971 patent describing a liquid-filled, heated furniture support designed to cradle human bodies without letting them touch the bottom of the container.

**Full profile:** https://patentbrief.org/inventor/charles-p-hall

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