# R Easton — Patents explained on PatentBrief

R Easton has 1 landmark patent explained in plain English on PatentBrief.

- [How Passive Satellite Navigation Works Without Sending Signals](https://patentbrief.org/patent/us/3789409/gps-satellite-navigation) — granted 1974
  A 1970s system for finding your location on Earth by listening to satellite signals without ever having to transmit a signal yourself.

**Full profile:** https://patentbrief.org/inventor/r-easton

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