# Corning Glass Works — Patents explained on PatentBrief

Corning Glass Works has 2 landmark patents explained in plain English on PatentBrief.

- [How Chemically Strengthened Glass Works](https://patentbrief.org/patent/us/3778335/gorilla-glass-chemically-strengthened) — granted 1973
  A 1971 Corning patent describing a specific chemical recipe for glass that can be made incredibly tough by swapping small atoms in its surface for larger ones.
- [How Corning Invented Modern Fiber Optic Cables](https://patentbrief.org/patent/us/3711262/optical-fiber-waveguide) — granted 1973
  A 1970 method for creating glass fibers that carry light over long distances by layering glass inside a tube and drawing it into a thin, solid strand.

**Full profile:** https://patentbrief.org/company/corning-glass-works

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