# DUAL PARKING METER Co — Patents explained on PatentBrief

DUAL PARKING METER Co has 1 landmark patent explained in plain English on PatentBrief.

- [How the First Coin-Operated Parking Meter Works](https://patentbrief.org/patent/us/2118318/parking-meter-magee) — granted 1938
  Carl Magee's 1935 invention of the mechanical parking meter, which introduced the concept of paying for temporary street parking using a coin-activated timer.

**Full profile:** https://patentbrief.org/company/dual-parking-meter-co

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