# Garrett A Morgan — Patents explained on PatentBrief

Garrett A Morgan has 1 landmark patent explained in plain English on PatentBrief.

- [How Garrett Morgan Invented the Three-Position Traffic Signal](https://patentbrief.org/patent/us/1475024/traffic-signal-morgan) — granted 1923
  Garrett Morgan's 1923 patent for a T-shaped traffic signal introduced a 'caution' position to manage vehicle flow more safely at busy intersections.

**Full profile:** https://patentbrief.org/inventor/garrett-a-morgan

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