# Sperry Corp — Patents explained on PatentBrief

Sperry Corp has 1 landmark patent explained in plain English on PatentBrief.

- [How Computers Compress Data Using Dictionary Building](https://patentbrief.org/patent/us/4558302/lzw-compression) — granted 1985
  This 1985 patent describes a method for making computer files smaller by building a dictionary of common data patterns and replacing them with shorter codes.

**Full profile:** https://patentbrief.org/company/sperry-corp

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