# Edwin H Armstrong — Patents explained on PatentBrief

Edwin H Armstrong has 1 landmark patent explained in plain English on PatentBrief.

- [How Edwin Armstrong Invented the Superheterodyne Radio Receiver](https://patentbrief.org/patent/us/1342885/superheterodyne-radio-armstrong) — granted 1920
  A foundational 1920 patent by Edwin Armstrong that describes the superheterodyne circuit, the technology that allowed radios to tune into specific stations clearly and reliably.

**Full profile:** https://patentbrief.org/inventor/edwin-h-armstrong

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