# Lewis E. Waterman — Patents explained on PatentBrief

Lewis E. Waterman has 1 landmark patent explained in plain English on PatentBrief.

- [How Lewis Waterman's Original Fountain Pen Design Worked](https://patentbrief.org/patent/us/293545/fountain-pen-waterman) — granted 1884
  This 1884 patent describes an early fountain pen designed by Lewis E. Waterman, which aimed to solve common ink-flow problems, making writing smoother and cleaner.

**Full profile:** https://patentbrief.org/company/lewis-e-waterman

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