# Almon B. Strowger — Patents explained on PatentBrief

Almon B. Strowger has 1 landmark patent explained in plain English on PatentBrief.

- [How Almon Strowger Invented the Automatic Telephone Switch](https://patentbrief.org/patent/us/447918/strowger-automatic-telephone-exchange) — granted 1891
  An 1891 patent for an automatic telephone exchange that allowed callers to connect to each other without needing a human operator.

**Full profile:** https://patentbrief.org/company/almon-b-strowger

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