# ELECTRO STRING INSTR CORP — Patents explained on PatentBrief

ELECTRO STRING INSTR CORP has 1 landmark patent explained in plain English on PatentBrief.

- [How the Frying Pan Guitar Created the Electric Guitar](https://patentbrief.org/patent/us/2089171/electric-guitar-frying-pan) — granted 1937
  George Beauchamp's 1937 patent for the first commercially successful electric guitar, which used a magnetic pickup to turn string vibrations into electrical signals.

**Full profile:** https://patentbrief.org/company/electro-string-instr-corp

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