# Paul A Marsal — Patents explained on PatentBrief

Paul A Marsal has 1 landmark patent explained in plain English on PatentBrief.

- [How the Modern Alkaline Battery Was Invented](https://patentbrief.org/patent/us/2960558/alkaline-battery-dry-cell) — granted 1960
  A 1957 patent from Union Carbide that defined the construction of the long-lasting alkaline battery, replacing older zinc-carbon designs.

**Full profile:** https://patentbrief.org/inventor/paul-a-marsal

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